Other Stock Plans Other Stock Plans [Member] Other stock plans. Number of properties evaluated for impairment Number Of Real Estate Properties, Evaluated For Impairment, Market Conditions Number Of Real Estate Properties, Evaluated For Impairment, Market Conditions Property, Plant and Equipment, Other Types Capitalize Inventory [Member] Capitalize inventory such as china, glass, silver, and linen Total hotels: Hotel Properties [Member] Hotel properties. Hotel Hotel [Member] San Diego San Diego [Member] San Diego. Award Timing Predetermined Award Timing Predetermined [Flag] Entity File Number Entity File Number Additional Paid-in Capital Additional Paid-in Capital [Member] Tax credits Effective Income Tax Rate Reconciliation, Tax Credit, Amount Percentage of shares expected to be released Share Based Compensation Arrangement By Share Based Payment Award Shares Expected To Released Percentage Share based compensation arrangement by share based payment award shares expected to released percentage. Tabular List, Table Tabular List [Table Text Block] Debt Debt Debt and Lease Obligation [Abstract] New Accounting Standards New Accounting Pronouncements, Policy [Policy Text Block] Summary of Fair Values of Certain Financial Liabilities and Other Financial Instruments Fair Value, by Balance Sheet Grouping [Table Text Block] Seattle Seattle [Member] Seattle. Redemption value (millions) Redeemable Noncontrolling Interest, Equity, Redemption Value Deductions: Deductions [Abstract] Deductions. Potential additional ownership percentage Equity Method Investee Potential Additional Ownership Percentage Additional ownership percentage in equity method investee that may be exercised. Adjustment to Compensation: Adjustment to Compensation [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Revenues Revenue from Contract with Customer [Text Block] Gross Amount at end of period, Buildings & Improvements SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount New Orleans Marriott New Orleans Marriott [Member] New Orleans Marriott. Significant Accounting Policies [Table] Significant Accounting Policies [Table] Significant accounting policies. Comprehensive stock and employee stock purchase plans (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Historical cost (millions) Historical Cost Historical cost. Current income tax provision (benefit), total Current Income Tax Expense (Benefit) Assets held for sale Disposal Group, Including Discontinued Operation, Assets Canada Canada Revenue Agency [Member] Adjustment to Compensation, Amount Adjustment to Compensation Amount Changes in other assets Increase in other assets Changes in other assets Increase (Decrease) in Other Operating Assets Basis of Presentation and Principles of Consolidation Consolidation, Policy [Policy Text Block] Non-cash stock-based compensation expense Non-cash stock-based compensation expense Share-Based Payment Arrangement, Noncash Expense Miami Miami [Member] Miami. Employee Stock Option Share-Based Payment Arrangement, Option [Member] Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Effective Income Tax Rate Reconciliation, Percent [Abstract] Effective Income Tax Rate Reconciliation, Percent [Abstract] Contractual Rights Contractual Rights [Member] Total equity of Host Hotels & Resorts, Inc. stockholders Equity, Attributable to Parent OTHER COMPREHENSIVE INCOME, NET OF TAX Other Comprehensive Income (Loss), Net of Tax [Abstract] Insider Trading Policies and Procedures [Line Items] New York Marriott Marquis New York Marriott Marquis [Member] New York Marriott Marquis. NAREIT Lodging & Resorts Index T S R Based Compared To N A R E I T Lodging And Resorts Index [Member] Vesting based on TSR compared to NAREIT lodging & resorts index. New York NEW YORK Summary of Property and Equipment Property, Plant and Equipment [Table Text Block] Common stock, shares authorized (in shares) Common Stock, Shares Authorized The Westin Kierland Resort & Spa The Westin Kierland Resort Spa [Member] The Westin Kierland Resort & Spa. Financial assets Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract] Common stock issuances (in shares) Stock Issued During Period, Shares, New Issues Equity Method Investee Potential Future Ownership Percentage Equity Method Investee Potential Future Ownership Percentage Equity Method Investee Potential Future Ownership Percentage Debt interest rate Line of Credit Facility, Interest Rate at Period End Concentrations of Credit Risk Concentration Risk, Credit Risk, Policy [Policy Text Block] LIABILITIES, NON-CONTROLLING INTERESTS AND EQUITY LIABILITIES, LIMITED PARTNERSHIP INTERESTS OF THIRD PARTIES AND CAPITAL Liabilities and Equity [Abstract] U.S. States State and Local Jurisdiction [Member] TSR Awards, Performance Period Three T S R Based With Performance Periods Of Three [Member] Vesting based on the achievement of relative total shareholder return (“TSR”) with performance period two. Cover [Abstract] Cover [Abstract] Dispositions Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Maximum Upper Limit Maximum [Member] Agreement initial term Finite-Lived Intangible Asset, Useful Life Less: Net income attributable to non-controlling interests Less: Net income attributable to non-controlling interests Net Income (Loss) Attributable to Noncontrolling Interest Restricted Stock Restricted Stock [Member] Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Real Estate and Accumulated Depreciation by Property [Table] SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, by Property [Table] Debt Instrument [Line Items] Debt Instrument [Line Items] Schedule of Share Based Compensation Arrangements by Share Based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Summary of Status of Senior Executive Plans Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Management incentive fee as percentage of operating profit Management Incentive Fee Percentage Management incentive fee percentage. Rooms Occupancy Occupancy [Member] Retirement Benefits [Abstract] Retirement Benefits [Abstract] Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Stockholders Equity Note [Table] Stockholders Equity Note [Table] Stockholders equity note. INCOME BEFORE INCOME TAXES Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Summary of Revenues and Long-Lived Assets by Geographical Area Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block] U.S. state and local Income Tax Paid, State and Local, after Refund Received [Abstract] Debt Instrument [Table] Schedule of Long-Term Debt Instruments [Table] Issuances of debt Issuances of debt Proceeds from Issuance of Debt Loss Contingency Nature Loss Contingency Nature [Axis] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Schedule of Cash Flow, Supplemental Disclosures Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Less: Comprehensive income attributable to non-controlling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Debt Covenant Debt Covenant [Member] Debt covenant. Letter of Credit Letter of Credit [Member] Foreign operations, number of countries Number of Countries in which Entity Operates Texas TEXAS U.S. income Income (Loss) from Continuing Operations before Income Taxes, Domestic San Antonio Marriott Riverwalk San Antonio Marriott Riverwalk [Member] San Antonio Marriott Riverwalk. San Antonio San Antonio [Member] San Antonio. Document Fiscal Period Focus Document Fiscal Period Focus Notes Receivable Receivable [Policy Text Block] Financial Instrument Subject to Mandatory Redemption [Table] Financial Instrument Subject to Mandatory Redemption [Table] Award Timing Method Award Timing Method [Text Block] Award Type Award Type [Axis] HOST HOTELS & RESORTS, INC. Parent Company [Member] Office Leases and Other Office Leases And Other [Member] Office Leases And Other. Share-Based Payments Share-Based Payment Arrangement [Policy Text Block] Investment, Name Investment, Name [Domain] Trading Symbol Trading Symbol 2029 Lessee, Operating Lease, Liability, to be Paid, Year Four Significant Accounting Policies [Line Items] Significant Accounting Policies [Line Items] Significant accounting policies. Beta Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Beta Share based compensation arrangement by share based payment award fair value assumptions beta. Houston Marriott Medical Center/Museum District Houston Marriott Medical Center [Member] Houston Marriott medical center. Entity Address, City or Town Entity Address, City or Town Short-term Debt, Type Short-Term Debt, Type [Domain] Advanced deposits received Noncash or Part Noncash Acquisition, Other Liabilities Assumed Effects of exchange rate changes on cash held Effects of exchange rate changes on cash held Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Total deferred tax assets, net of valuation allowance Total deferred tax assets, net of valuation allowance Deferred Tax Assets, Net of Valuation Allowance Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount RSU Awards Restricted Stock Units (RSUs) [Member] Dispositions and other SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation, Investment in Real Estate Sold Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Employee stock purchase plan discount percentage Employee Stock Purchase Plan Discount Percentage Employee stock purchase plan discount percentage. Entity Emerging Growth Company Entity Emerging Growth Company 2028 Long-Term Debt, Maturity, Year Three Fort Lauderdale, FL Fort Lauderdale, FL [Member] Fort Lauderdale, FL Repayment of credit facility Repayment of credit facility Repayments of Lines of Credit Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Other Other U S Locations [Member] Other US locations. Deferred financing costs Debt Issuance Costs, Net Restricted cash (included in other assets) Restricted cash (included in other assets) Restricted Cash and Cash Equivalent Common stock, shares outstanding (in shares) Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Outstanding Tennessee TENNESSEE Credit facility term loan due January 2028 Credit facility term loan due January 2028 Credit Facility Term Loan Tranche2 [Member] Credit Facility Term Loan Tranche2 [Member] Summary of Disaggregated Hotel Revenues by Market Location Disaggregation of Revenue [Table Text Block] U.S. Federal Internal Revenue Service (IRS) [Member] Percentage of management agreements, based on revenues Percentage of management agreements, based on revenues Percentage Of Management Agreements Based On Revenues Percentage of management agreements based on revenues. Current Current Income Tax Expense (Benefit), Continuing Operations [Abstract] Proceeds from issuance of senior long-term debt Proceeds from Issuance of Senior Long-Term Debt Issued in calendar year (in shares) Shares issued (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period Initial Cost, Buildings & Improvements SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements Chicago Chicago [Member] Chicago. Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] New Orleans New Orleans [Member] New Orleans. Accounts payable and accrued expenses Accounts payable and accrued expenses Accounts Payable and Accrued Liabilities Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Provision for income taxes Income tax provision - continuing operations Income tax provision - continuing operations Provision for income taxes Income Tax Expense (Benefit) Depreciation Life SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation Variable interest rate Debt Instrument, Basis Spread on Variable Rate Due to managers Due to managers Due To Managers Represents amount due to third party hotel managers, to fund property operating cash flow and working capital. Other Other Other Assets Document Information [Line Items] Document Information [Line Items] Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Fair Value Hierarchy and NAV Fair Value Hierarchy and NAV [Axis] The Alida, Savannah, a Tribute Portfolio Hotel The Alida Savannah Tribute Portfolio Hotel [Member] The Alida Savannah Tribute Portfolio Hotel [Member] Series N senior notes, with a rate of 4.25% due December 2028 Series N Senior Notes Four Point Two Five Percent Due December Twenty Two Eight [Member] Series N Senior Notes Four Point Two Five Percent Due December Twenty Two Eight Property and equipment, gross, total Property, Plant and Equipment, Gross Denver Denver [Member] Denver. Assets held for sale SEC Schedule, 12-28, Real Estate Companies, Investment In Real Estate, Cost Of Investment In Real Estate Held For Sale SEC Schedule, 12-28, Real Estate Companies, Investment In Real Estate, Real Estate Held For Sale Non-controlling Interests of Consolidated Partnerships Noncontrolling Interest Of Other Consolidated Partnerships [Member] Noncontrolling interest of other consolidated partnerships. Washington Marriott At Metro Center Washington Marriott At Metro Center [Member] Washington Marriott at Metro Center. Discontinued Operations and Disposal Groups [Abstract] Discontinued Operations and Disposal Groups [Abstract] 2024 Grant Awards Two Thousand Twenty Three Grants [Member] Two Thousand Twenty Three Grants Denver Marriott West Denver Marriott West [Member] Denver Marriott West. Percentage sales paid for fees Percentage Of Net Sales Percentage of net sales. Number of majority-owned partnerships that have third-party, non-controlling ownership interests that have been consolidated Number Of Partnerships Consolidated Number of partnerships consolidated. Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Liabilities for Guarantees on Long Duration Contracts [Table] Liabilities for Guarantees on Long-Duration Contracts [Table] Income Taxes [Line Items] Income Taxes [Line Items] Income taxes. Notes receivable maximum term of extensions Notes Receivable, Maximum Term Of Extensions Notes Receivable, Maximum Term Of Extensions U.S. federal Income Tax Paid, Federal, after Refund Received All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Redemption price, percent Debt Instrument, Redemption Price, Percentage Non taxable income of Host Inc. Effective Income Tax Rate Reconciliation, Tax Exempt Income, Percent SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation Disclosure [Abstract] SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation Disclosure [Abstract] Percentage of minimum lease payments Percentage Of Current Fiscal Year Minimum Lease Payments Percentage of current fiscal year minimum lease payments. Other Effective Income Tax Rate Reconciliation, Other Adjustments, Amount Deferred tax liabilities Deferred Tax Liabilities, Gross [Abstract] Unvested RSUs (in shares) Balance, at beginning of year (in shares) Balance, at end of year (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] The Westin Waltham Boston The Westin Waltham Boston [Member] Westin Waltham Boston. Capital expenditures: Payments to Acquire Productive Assets [Abstract] Distributions received in period Equity Method Investment Distributions Received The total distributions received by the reporting entity from an equity method investment. Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Property insurance proceeds Property insurance proceeds Proceeds from Insurance Settlement, Investing Activities Credit facility term loan due January 2027 Credit facility term loan due January 2027 Credit Facility Term Loan Tranche1 [Member] Credit Facility Term Loan Tranche1 [Member] Estimated useful lives Property, Plant and Equipment, Useful Life Subsequent Event Subsequent Event [Member] Summary of Assumption used with Black-Scholes Option Valuations Models Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] PEO Total Compensation Amount PEO Total Compensation Amount Miami Marriott Biscayne Bay Miami Marriott Biscayne Bay [Member] Miami Marriott Biscayne Bay. Foreign Income Tax Paid, Foreign, after Refund Received [Abstract] Long-term Debt, Type Long-Term Debt, Type [Axis] Employee Benefits Disclosure [Line Items] Employee Benefits Disclosure [Line Items] Employee benefits disclosure. Equity Components Equity Components [Axis] Real Estate Properties [Line Items] Real Estate Properties [Line Items] Sublease income Sublease Income Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Nashville, TN Nashville, TN [Member] Nashville, TN Number of reportable segments Number of Reportable Segments Marriott Marquis San Diego Marina Marriott Marquis San Diego Marina [Member] Marriott Marquis San Diego Marina. Unamortized discounts, net Debt Instrument, Unamortized Discount (Premium), Net Scenario Adjustment Scenario, Adjustment [Member] Interest income Interest and Other Income Number of hotels sold Number Of Hotels Sold Number of hotels sold. Entity Address, State or Province Entity Address, State or Province Acquisitions SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Other Acquisition Individual: Individual [Axis] Hotel Van Zandt Hotel Van Zandt Member Hotel Van Zandt Member Number of mortgage debt secured by asset Debt Instrument, Number Of Mortgage Debt Secured By Asset Debt Instrument, Number Of Mortgage Debt Secured By Asset Number of renewal options Number Of Renewal Options Number of renewal options. Amount funded to investment fund Equity Method Investment, Aggregate Cost Income Tax Jurisdiction Income Tax Jurisdiction [Domain] Dividends on common stock Payments of Ordinary Dividends, Common Stock Document Annual Report Document Annual Report Series J senior notes, with a rate of 2.9% due December 2031 Series J Senior Notes Two Point Nine Percent Due December Twenty Thirty One [Member] Series J Senior Notes Two Point Nine Percent Due December Twenty Thirty One [Member] Gain (loss), reclassified to earnings, net of tax Translation Adjustment Functional to Reporting Currency, Gain (Loss), Reclassified to Earnings, Net of Tax Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Redeemable Non Controlling Interests Redeemable Non Controlling Interests [Member] Redeemable non-controlling Interests of Host Hotels & Resorts, L.P. Entity Interactive Data Current Entity Interactive Data Current Loss Contingency, Nature Loss Contingency, Nature [Domain] Deferred revenue and expenses Deferred Tax Assets, Deferred Income Revenues Revenue from Contract with Customer [Policy Text Block] Rio de Janeiro Parque Olimpico Hotels Rio De Janeiro Parque Olimpico Hotels [Member] Rio de Janeiro Parque Olimpico hotels. Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Subsequent Costs Capitalized, net SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Improvements Long-Lived Tangible Asset Long-Lived Tangible Asset [Axis] Number of variable interest entity partnerships Variable Interest Entity, Number Of Partnerships Variable Interest Entity, Number Of Partnerships Four Seasons Resort Orlando at Walt Disney World® Resort Four Seasons Resort Orlando [Member] Four Seasons Resort Orlando. San Antonio Marriott Rivercenter San Antonio Marriott Rivercenter [Member] San Antonio Marriott Rivercenter. Ownership Ownership [Domain] Initial Cost, Land SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land Covenant Requirement Covenant Requirement [Member] Covenant requirement. Stockholders Equity Note [Line Items] Stockholders Equity Note [Line Items] Stockholders equity note. Entity Central Index Key Entity Central Index Key PEO Name PEO Name Foreign currency translation Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax Summary of Aggregate Debt Maturities Schedule of Maturities of Long-Term Debt [Table Text Block] Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Fairmont Kea Lani, Maui Fairmont Kea Lani Maui [Member] The Fairmont Kea Lani, Maui. Advances to and investments in affiliates Advances to and investments in affiliates Cash investments in affiliates Payments to Acquire Interest in Subsidiaries and Affiliates Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount One Hotel Central Park 1 Hotel Central Park One Hotel Central Park [Member] One Hotel Central Park Foreign Currency Adjustment Real Estate And Accumulated Depreciation Foreign Currency Adjustment Amount of foreign currency adjustment for land and buildings and improvements for entities with a substantial portion of business acquiring and holding investment real estate. Schedule of Segment Reporting Information by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Vesting over one-year period Share-Based Payment Arrangement, Tranche One [Member] The Don CeSar The Don Ce Sar [Member] The Don CeSar. Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Class of Stock Class of Stock [Domain] Unrecognized compensation cost related to unvested RSU awards Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Statutory federal income tax provision Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Subsequent Event Type Subsequent Event Type [Axis] Investments in domestic affiliates Deferred Tax Assets, Equity Method Investments Proceeds from sales of assets, net Disposal Group, Including Discontinued Operation, Consideration Vesting Vesting [Domain] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Entity Address, Address Line One Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Two Accumulated Other Comprehensive Loss Accumulated Other Comprehensive Loss AOCI Attributable to Parent [Member] Deferred Charges Deferred Charges, Policy [Policy Text Block] Redeemable non-controlling interests - Host Hotels & Resorts, L.P. Limited partnership interests of third parties Book value (millions) Redeemable Noncontrolling Interest, Equity, Carrying Amount Summary of Consolidated Portfolio of Hotels by Countries Schedule of Real Estate Properties [Table Text Block] Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract] Hurricane Ian Hurricane Ian [Member] Hurricane Ian [Member] Ownership Ownership [Axis] Income Statement Balance Sheet and Additional Disclosures by Disposal Groups Including Discontinued Operations [Line Items] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Atlanta Atlanta [Member] Atlanta. Name of Property Name of Property [Domain] Fair Value as of Grant Date Award Grant Date Fair Value August 2023 Maui Wildfires August 2023 Maui Wildfires [Member] August 2023 Maui Wildfires Earnings Per Share, Diluted, by Common Class, Including Two-Class Method [Table] Earnings Per Share, Diluted, by Common Class, Including Two-Class Method [Table] Net operating loss Operating Loss Carryforwards Series F senior notes, with a rate of 4½% due February 2026 Series F Senior Notes Four Point Five Percent Due February Twenty Twenty Six [Member] Series F senior notes four point five percent due February twenty twenty six. Due from managers Due from managers Due From Managers Represents amount due from third party hotel managers, including owner's distribution of property operating cash flow and working capital. Hyatt Place Waikiki Beach Hyatt Place Waikiki Beach [Member] Hyatt Place Waikiki Beach. Volatility Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Weighted Average Volatility Rate Assuming distribution of common shares granted under the comprehensive stock plans, less shares assumed purchased at market (in shares) Assuming distribution of common units granted under the comprehensive stock plans, less units assumed purchased at market (in units) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Impairments SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Write-down or Reserve, Amount Title and Position Title and Position [Domain] Total operating costs and expenses Costs and Expenses Forfeited/expired (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Related Party Transaction [Line Items] Related Party Transaction [Line Items] Houston Airport Marriott at George Bush Intercontinental Houston Airport Marriott At George Bush Intercontinental [Member] Houston Airport Marriott at George Bush Intercontinental. Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Notes receivable term of extension Notes Receivable, Term Of Extension Notes Receivable, Term Of Extension Counterparty Name Counterparty Name [Domain] 2027 Lessee, Operating Lease, Liability, to be Paid, Year Two San Francisco Marriott Fisherman's Wharf San Francisco Marriott Fishermans Wharf [Member] San Francisco Marriott Fisherman's Wharf. Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Summary of Investments in Affiliates Investments in and Advances to Affiliates [Table Text Block] Term of extension options, option two Line of Credit Facility, Term Of Extension, Option Two Line of Credit Facility, Term Of Extension, Option Two Acquisitions Acquisitions Payments to Acquire Commercial Real Estate 2025 Grant Awards Two Thousand Twenty Four Grants [Member] Two Thousand Twenty Four Grants Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Number of vacation ownership project Number of Units in Real Estate Property Common OP units, outstanding (in units) General Partners' Capital Account, Units Outstanding Other Litigation Cases Other Litigation Cases [Member] Other litigation cases. Loss contingency, receivable, initial value Loss Contingency, Receivable, Initial Value Loss Contingency, Receivable, Initial Value Non-PEO NEO Non-PEO NEO [Member] Notes issued Notes Issued Brazil BRAZIL Sale of Stock Sale of Stock [Axis] Management fees Management fees Management Service [Member] Award Type Award Type [Domain] Debt extinguishment costs Debt extinguishment costs Payment for Debt Extinguishment or Debt Prepayment Cost 2026 Lessee, Operating Lease, Liability, to be Paid, Year One Proceeds from (issuance of) loan receivable Payments for (Proceeds from) Loans Receivable Non-redeemable non-controlling interests—other consolidated partnerships Equity, Attributable to Noncontrolling Interest Equity Awards Adjustments Equity Awards Adjustments [Member] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Cross-border tax laws Effective Income Tax Rate Reconciliation, Cross-Border Tax Effect, Percent Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Canada CANADA Compensation Amount Outstanding Recovery Compensation Amount Deferred Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] 3.875% Series G Senior Notes, Due April 2024 Series G Senior Notes Three Point Eight Seven Five Percent Due April Twenty Twenty Four [Member] Series G senior notes three point eight seven five percent due April twenty twenty four. Debt Instrument, Name Debt Instrument, Name [Domain] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] The Westin Chicago River North The Westin Chicago River North [Member] The Westin Chicago River North. Schedule of Investments [Line Items] Schedule of Investments [Line Items] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Number of separate joint ventures Number Of Separate Joint Ventures Number Of Separate Joint Ventures Foreign income tax provision Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent Orlando Orlando [Member] Orlando. Percentage of property revenue allocated for renewal and replacement capital expenditures Percentage of property revenue allocated for renewal and replacement capital expenditures Percentage Of Property Revenue Allocated For Renewal And Replacement Capital Expenditures Percentage of property revenue allocated for renewal and replacement capital expenditures. Tampa Airport Marriott Tampa Airport Marriott [Member] Tampa Airport Marriott. REVENUES REVENUES Revenues [Abstract] Documents Incorporated by Reference Documents Incorporated by Reference [Text Block] Accumulated other comprehensive loss Accumulated other comprehensive loss Total accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax 2026 Long-Term Debt, Maturity, Year One W Seattle W Seattle [Member] W Seattle. Financial Instruments Financial Instruments [Domain] Total gross deferred tax liabilities Deferred Tax Liabilities, Gross 2030 Long-Term Debt, Maturity, Year Five Issued in calendar year (in dollars per share) Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Issued In Period Weighted Average Grant Date Fair Value Share based compensation arrangement by share based payment award, equity instruments other than options, issued in period, weighted average grant date fair value. Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Finite-Lived Intangible Assets by Major Class Finite-Lived Intangible Assets by Major Class [Axis] Percentage of total future minimum lease payments Percentage Of Future Minimum Lease Payments Percentage of future minimum lease payments. Capital Commitments Capital Commitments [Member] Capital Commitments Minimum Lower Limit Minimum [Member] Income Tax Authority, Name Income Tax Authority, Name [Domain] Company Selected Measure Name Company Selected Measure Name Debt Debt Disclosure [Text Block] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Operating cash flows used for operating leases Operating Lease, Payments Performance-Based Awards Performance Based [Member] Vesting based on Company’s performance against certain strategic objectives. Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Repurchase/redemption of senior notes Repurchase/redemption of senior notes Repayments of senior debt Repayments of Senior Debt —Foreign Current Foreign Tax Expense (Benefit) Vesting over two-year period Share-Based Payment Arrangement, Tranche Two [Member] Diluted weighted average shares outstanding (in shares) Diluted weighted average units outstanding (in units) Weighted Average Number of Shares Outstanding, Diluted Segment EBITDA Earnings Before Interest Tax Depreciation And Amortization Earnings Before Interest Tax Depreciation And Amortization Redemptions of limited partner interests for common stock (in shares) Redemptions of limited partner interests for common stock (in units) Stock Issued During Period, Shares, Conversion of Units Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Entity Small Business Entity Small Business Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Loss related to property damage and remediation costs Loss Contingency, Loss in Period Preferred stock, shares outstanding (in shares) Preferred Stock, Shares Outstanding —State Current State and Local Tax Expense (Benefit) Document Transition Report Document Transition Report Liabilities for Guarantees on Long Duration Contracts [Line Items] Liabilities for Guarantees on Long-Duration Contracts [Line Items] Other Stock Plans, employee stock purchase plan Other Stock Plans Employee Stock Purchase Plan [Member] Other stock plans, employee stock purchase plan [Member] Embassy Suites by Hilton Nashville Downtown Embassy Suites By Hilton Nashville Downtown [Member] Embassy Suites By Hilton Nashville Downtown Underlying Securities Award Underlying Securities Amount Hyatt Regency Washington on Capitol Hill Hyatt Regency Washington On Capitol Hill [Member] Hyatt Regency Washington on Capitol Hill. Term Loan Term Loan [Member] Term loan. Equity Component Equity Component [Domain] Document Period End Date Document Period End Date U.S. Federal and States U S Federal And State [Member] U.S. Federal and State. Furniture and equipment Fixtures and Equipment, Gross Income Taxes Income Tax Disclosure [Text Block] Florida Gulf Coast Florida Gulf Coast [Member] Florida Gulf Coast. Draws on credit facility Proceeds from Lines of Credit Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Units issued to Host Inc. for the comprehensive stock and employee stock purchase plans (in units) Partners' Capital Account, Unit-Based Payment Arrangement, Number of Units Marriott Downtown at CF Toronto Eaton Centre Marriott Downtown At C F Toronto Eaton Centre [Member] Marriott Downtown at CF Toronto Eaton Centre. Schedule of Investments [Table] Schedule of Investments [Table] Noble Management Holdings LLC and Noble Investment Holdings LLC Noble Management Holdings LLC and Noble Investment Holdings LLC [Member] Noble management holdings LLC and noble investment holdings LLC member. Total equity Beginning balance Ending balance Equity, Including Portion Attributable to Noncontrolling Interest Shares repurchased, average price (in dollars per share) Shares Acquired, Average Cost Per Share Amortization of debt premiums/discounts, net Amortization of Debt Discount (Premium) Document Type Document Type Name Outstanding Recovery, Individual Name Loss Contingencies [Table] Loss Contingencies [Table] Product and Service Product and Service [Axis] Variable lease cost Variable Lease, Cost Total revenues Revenues Revenue from Contract with Customer, Excluding Assessed Tax Acquisition purchase price Asset Acquisition, Consideration Transferred Fifth Wall Ventures Fifth Wall Ventures [Member] Fifth wall ventures. Statistical Measurement Statistical Measurement [Axis] Additions: Additions [Abstract] Additions. Orlando World Center Marriott Orlando World Center Marriott [Member] Orlando World Center Marriott. Four Seasons Resort and Residences Jackson Hole Four Seasons Resort and Residence Jackson Hole [Member] Four Seasons Resort and Residence Jackson Hole [Member] Food and beverage Food and beverage Food and Beverage [Member] Common stock repurchase, authorized amount Share Repurchase Program, Authorized, Amount Loss on sale of investments Equity Method Investment, Realized Gain (Loss) on Disposal Series M senior notes, with a rate of 5.7% due June 2032 Series M Senior Notes Five Point Seven Percent Due June Twenty Thirty Two [Member] Series M Senior Notes Five Point Seven Percent Due June Twenty Thirty Two Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Disposal Group Name Disposal Group Name [Axis] Value of shares withheld for employee tax requirements Payment, Tax Withholding, Share-Based Payment Arrangement Earnings Per Share Diluted [Line Items] Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] Alberta ALBERTA Other investments Other Equity Method Investments [Member] Other equity method investments. Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Quoted Prices in Active Markets for Identical Assets (Level 1) Fair Value, Inputs, Level 1 [Member] Gain on disposition of assets Gain (Loss) on Disposition of Assets Credit facility, including the term loans of $999 and $998, respectively Credit facility Credit facility term loan due Long-Term Line of Credit Boston Boston [Member] Boston. Hyatt Regency Reston Hyatt Regency Reston [Member] Hyatt Regency Reston. One Hotel Nashville One Hotel Nashville [Member] One Hotel Nashville Related Party Transaction [Table] Related Party Transaction [Table] Diluted earnings per common share (in dollars per share) Diluted earnings per common unit (in dollars per unit) Earnings Per Share, Diluted Total capital Beginning Balance Ending Balance Partners' Capital, Including Portion Attributable to Noncontrolling Interest Percentage of annual taxable income Host Inc is required to distribute Percentage Of Taxable Income Required To Be Distributed Percentage of taxable income required to be distributed. Number Of Real Estate Properties, Evaluated For Impairment, Impaired Number Of Real Estate Properties, Evaluated For Impairment, Hold Period Change Number Of Real Estate Properties, Evaluated For Impairment, Hold Period Change Net income (loss) Noncontrolling Interest in Net Income (Loss) Operating Partnerships, Redeemable Philadelphia, PA Philadelphia, PA [Member] Philadelphia, PA Total U.S. state and local Income Tax Paid, State and Local, after Refund Received Real Estate and Accumulated Depreciation [Line Items] SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items] The Ritz-Carlton, Naples The Ritz Carlton Naples [Member] The Ritz-Carlton, Naples. Auditor Location Auditor Location Variable Interest Entities, Not Primary Beneficiary Variable Interest Entity, Not Primary Beneficiary [Member] Number of extension options, option two Line Of Credit Facility, Number of Extension Options, Option Two Line Of Credit Facility, Number of Extension Options, Option Two Asset Acquisition and Business Combination [Table] Asset Acquisition [Table] Debt instrument facility fee increase decrease Debt Instrument Facility Fee Increase Decrease Debt instrument facility fee increase decrease. U.S. Federal Domestic Tax Jurisdiction [Member] The Ritz-Carlton O'ahu, Turtle Bay The Ritz-Carlton O'ahu, Turtle Bay [Member] The Ritz-Carlton O'ahu, Turtle Bay Financial Instruments Owned and Pledged as Collateral [Line Items] Financial Instruments Owned and Pledged as Collateral [Line Items] Employee Benefits Disclosure [Table] Employee Benefits Disclosure [Table] Employee Benefits Disclosure. Other changes in ownership Stockholders' Equity, Other Difference between undiscounted cash flows and discounted cash flows Lessee, Operating Lease, Liability, Undiscounted Excess Amount Distributions on common OP units Distribution Made to Limited Partner, Cash Distributions Paid Tax Credit Carryforward Tax Credit Carryforward [Axis] Total cash taxes Income Taxes Paid, Net Debt principal outstanding Long-Term Debt, Gross Notes Receivable Notes Receivable [Member] Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Property and Equipment Property, Plant and Equipment Disclosure [Text Block] Total undiscounted cash flows Lessee, Operating Lease, Liability, to be Paid Foreign Currency Borrowings Foreign Currency Borrowings [Member] Foreign currency borrowings. 1 Hotel South Beach One Hotel South Beach [Member] One hotel south beach. Distributions to non-controlling interests Distributions to non-controlling interests Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Expiration Date Trading Arrangement Expiration Date Percentage VIE ownership Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage Other Commitments Other Commitments [Domain] Gross Amount at end of period, Accumulated Depreciation Beginning Balance Ending Balance SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation Changes in other liabilities Changes in other liabilities Increase (Decrease) in Other Operating Liabilities Dispositions and other SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Cost of Investment in Real Estate Sold Property and equipment, net Property and equipment, net Property and equipment, net Property, Plant and Equipment, Net Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Investments in and Advances to Affiliates, Schedule of Investments [Abstract] Investments in and Advances to Affiliates, Schedule of Investments [Abstract] Gain Contingencies, Nature [Axis] Gain Contingencies, Nature [Axis] Entity Current Reporting Status Entity Current Reporting Status Common stock issuable aggregate value Common Stock Issuable Aggregate Value Total value of common stock issuable under sales agency agreement. Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Consolidated Entities Consolidated Entities [Domain] Term of extension option Line of Credit Facility, Term Of Extension Line of Credit Facility, Term Of Extension Statutory federal income tax provision Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Number of days before maturity date before eligible for redemption Debt Instrument, Redemption Period, Days Prior To Maturity Date Before Eligible For Redemption Debt Instrument, Redemption Period, Days Prior To Maturity Date Before Eligible For Redemption Financial Instrument Financial Instrument [Axis] Investments in Affiliates Investments in and Advances to Affiliates, Schedule of Investments [Text Block] Deferred tax assets Deferred Tax Assets, Gross [Abstract] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Executive Category: Executive Category [Axis] Oahu Oahu [Member] Oahu Debt covenant compliance Debt Instrument, Covenant Compliance State income tax provision, net Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Manchester Grand Hyatt San Diego Manchester Grand Hyatt San Diego [Member] Manchester Grand Hyatt San Diego. Current Fiscal Year End Date Current Fiscal Year End Date AC Hotel Scottsdale North AC Hotel Scottsdale North [Member] AC hotel scottsdale north. Finite-Lived Intangible Assets, Major Class Name Finite-Lived Intangible Assets, Major Class Name [Domain] Property insurance proceeds - remediation costs Property insurance proceeds - remediation costs Proceeds from Insurance Settlement, Operating Activities Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Dividends taxable as unrecaptured Section 1250 gain Dividends Taxable As Unrecaptured Gain Dividends taxable as unrecaptured gain. India INDIA Real Estate Property, Ownership [Table] Real Estate Property, Ownership [Table] Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] 30th percentile Payout Percentage At T S R Percentile Ranking Of Thirtieth Percentile Payout percentage at TSR percentile ranking of 30th percentile. Distributions from investments in affiliates Distributions from investments in affiliates Proceeds from Equity Method Investment, Distribution Dividend taxable as long term capital gain Dividend Taxable As Long Term Capital Gain Dividend Taxable As Long Term Capital Gain Unrecognized tax benefits Unrecognized Tax Benefits 2027 Long-Term Debt, Maturity, Year Two Other properties, each less than 5% of total Other Property [Member] Leases Lessee, Operating Leases [Text Block] Net cash used in financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Investment grade External Credit Rating, Investment Grade [Member] Measure: Measure [Axis] Valuation Approach and Technique Valuation Approach and Technique [Axis] Long-Lived Tangible Asset Long-Lived Tangible Asset [Domain] Comprehensive stock and employee stock purchase plans Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Stock repurchase program, authorized amount available for repurchase Share Repurchase Program, Remaining Authorized, Amount Expenses Management fees Cost of Product and Service Sold Disposal Group Classification [Domain] Disposal Group Classification [Domain] Real Estate and Accumulated Depreciation SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation Disclosure [Text Block] Insurance receivable Loss Contingency, Receivable Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Risk-free rate - three year award Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Amortization of deferred financing costs Amortization of Debt Issuance Costs Shares Subject to Mandatory Redemption by Settlement Terms [Line Items] Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items] Entity Tax Identification Number Entity Tax Identification Number Proceeds from sale of interest in joint venture Proceeds from Sale of Equity Method Investments Tax credits Effective Income Tax Rate Reconciliation, Tax Credit, Percent Hotels Number of hotels Number of Real Estate Properties Common stock, shares issued (in shares) Common Stock, Shares, Issued Weighted-average remaining lease term - operating leases Operating Lease, Weighted Average Remaining Lease Term 2029 Long-Term Debt, Maturity, Year Four Summary of Historical Cost and Redemption Values for the Non-Controlling Interests Redeemable Noncontrolling Interest [Table Text Block] The Westin Georgetown, Washington D.C. The Westin Georgetown Washington D C [Member] The Westin Georgetown, Washington D.C. Entity Public Float Entity Public Float Interest expense Interest expense Interest expense Interest Expense, Nonoperating Trading Arrangement: Trading Arrangement [Axis] Total Shareholder Return Amount Total Shareholder Return Amount Loss Contingencies [Line Items] Loss Contingencies [Line Items] Real Estate, Type of Property [Axis] Real Estate, Type of Property [Axis] Security Exchange Name Security Exchange Name Ground Leases Ground Leases [Member] Ground Leases. Nobel Hospitality Fund VI, L.P. Nobel Hospitality Fund VI, L.P. [Member] Nobel Hospitality Fund VI, L.P. Total foreign Income Tax Paid, Foreign, after Refund Received Net gain on insurance settlements Net gain on property insurance settlements Gain on Business Interruption Insurance Recovery Net Operating Loss and Capital Loss Carryover Valuation Allowance Operating Loss And Capital Loss Carryforwards [Member] Valuation allowance operating loss and capital loss carryforward. Aggregate borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Units issued to Host Inc. for the comprehensive stock and employee stock purchase plans Partners' Capital Account, Unit-Based Payment Arrangement, Amount Repurchase of common stock (in shares) Repurchase of common OP units (in units) Share repurchase program, shares repurchased (in shares) Stock Repurchased During Period, Shares Property Insurance Property Insurance [Member] Dividends taxable as ordinary Dividends Taxable As Ordinary Dividends taxable as ordinary. HOST HOTELS & RESORTS L.P. Host Hotels Resorts Limited Partnership Subsidiaries [Member] Host hotels resorts limited partnership and subsidiaries. LIBOR swap rates, terms used to calculate IBR London Interbank Offered Rate Swap Rates Terms Used To Calculate Incremental Borrowing Rate London Interbank Offered Rate swap rates terms used to calculate incremental borrowing rate. Shares issuable upon conversion of OP units Shares issuable upon conversion of one common OP unit Common Stock Issuable Upon Conversion Of One Operating Unit Common stock issuable upon conversion of one operating unit. Statement [Line Items] Statement [Line Items] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash and cash equivalents Cash and cash equivalents Cash and Cash Equivalent General partner General Partners' Capital Account Common Stock Common Stock [Member] Vested (in shares) Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Insurance proceeds received Loss Contingency, Total Insurance Proceeds Received Loss Contingency, Total Insurance Proceeds Received NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS AND RESTRICTED CASH NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS AND RESTRICTED CASH Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Marina del Rey Marriott Marina Del Rey Marriott [Member] Marina Del Rey Marriott. Sustainability Pricing Sustainability Pricing Member Sustainability Pricing Member Noncash financial or equity instrument consideration, value of shares issued Other Significant Noncash Transaction, Value of Consideration Given Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Statistical Measurement Statistical Measurement [Domain] Thereafter Lessee, Operating Lease, Liability, to be Paid, after Year Five Real Estate [Domain] Real Estate [Domain] Unsecured interest coverage ratio Coverage Ratio Coverage ratio. Valuation Approach and Technique Valuation Approach and Technique [Domain] Phoenix Phoenix [Member] Phoenix. Financing costs Financing costs Payments of Financing Costs Equity in earnings of affiliates Equity in earnings of affiliates Income (Loss) from Equity Method Investments Series H senior notes, with a rate of 3⅜% due December 2029 Series H Senior Notes Three Point Three Seven Five Percent Due December Twenty Twenty Nine [Member] Series H Senior Notes Three Point Three Seven Five Percent Due DecemberTwentyTwenty Nine Member Leases [Abstract] Leases [Abstract] Repurchase of common OP units Payment For Repurchase Of Partners Capital Unit Payment for repurchase of partners capital unit. Nashville Nashville [Member] Nashville Summary of Common Dividends Declared Per Share Dividends Declared [Table Text Block] Gross Amount at end of period, Land SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount Host L.P. Host Limited Partnership Interest [Member] Host Limited Partnership Interest [Member] Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Basic earnings per common share (in dollars per share) Basic earnings per common unit (in dollars per unit) Earnings Per Share, Basic Turtle Bay Resort Turtle Bay Resort [Member] Turtle Bay Resort Shares reserved and available for issuance (in shares) Common Stock, Capital Shares Reserved for Future Issuance Contractors [Abstract] Contractors [Abstract] JW Marriott Houston by The Galleria J W Marriott Houston By The Galleria [Member] JW Marriott Houston by Galleria. Total gross deferred tax assets Deferred Tax Assets, Gross OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX Other Comprehensive Income (Loss), Net of Tax Summary of Segment Reporting Information, by Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Asia/Pacific JV Asian Joint Venture [Member] Asian joint venture. Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Proceeds from sales of assets, net Proceeds from sales of assets, net Proceeds from Sale of Productive Assets Variable Interest Entities Variable Interest Entity, Primary Beneficiary [Member] Series E senior notes, with a rate of 4% due June 2025 Series E Senior Notes Four Percent Due June Twenty Twenty Five [Member] Series E senior notes four percent due June twenty twenty five. Compensation expense Share-Based Payment Arrangement, Expense Hotel Management Agreements and Operating and License Agreements Long-Term Contracts or Programs Disclosure [Text Block] Fair value, senior notes (Level 1) Notes Payable, Fair Value Disclosure Mortgage debt (Level 2) Debt Secured Debt Equity Distribution Program Equity Distribution Program [Member] Equity Distribution Program Total liabilities, non-controlling interests and equity Liabilities and Equity Foreign Currency Translation Foreign Currency Transactions and Translations Policy [Policy Text Block] Licensing Agreements Licensing Agreements [Member] CASH AND CASH EQUIVALENTS AND RESTRICTED CASH, BEGINNING OF PERIOD CASH AND CASH EQUIVALENTS AND RESTRICTED CASH, END OF PERIOD Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation Amounts reclassified from Other Comprehensive Income Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent Stock issuance remaining capacity Stock Issuance Remaining Capacity Value of shares remaining under the current issuance program. Maui, HI Maui, HI [Member] Maui, HI Increase in notes receivables Increase (Decrease) in Notes Receivables Debt Attributable To Parent Debt Attributable To Parent Affiliates' portion of debt that is attributable to the reporting entity. The Camby Autograph Collection The Camby Autograph Collection [Member] The Camby Autograph Collection [Member] General business credit General Business Tax Credit Carryforward [Member] Debt instrument increase in interest rate Debt Instrument, Interest Rate, Increase (Decrease) Capital Expenditures Segment, Expenditure, Addition to Long-Lived Assets Investments in and Advances to Affiliates [Line Items] Investments in and Advances to Affiliates [Line Items] Accounting Policies [Abstract] Accounting Policies [Abstract] Maui Maui [Member] Maui Summary of Reconciliation of Total Lease Payments, on Undiscounted Basis, to Lease Liability on Balance Sheet Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Acquisitions Asset Acquisition [Text Block] Mortgage debt and other prepayments and scheduled maturities Mortgage debt and other prepayments and scheduled maturities Repayments of Secured Debt Pay vs Performance Disclosure [Line Items] Lease liabilities Total lease liabilities Operating Lease, Liability The Phoenician, A Luxury Collection Resort The Phoenician A Luxury Collection Resort [Member] The Phoenician, A Luxury Collection Resort. Line of Credit Facility, Lender Line of Credit Facility, Lender [Domain] Limited Partnership Interests of Third Parties Limited Partnership Interests Of Third Parties [Member] Limited partnership interests of third parties. Hyatt Regency San Francisco Airport Hyatt Regency San Francisco Airport [Member] Hyatt regency san Francisco airport. Depreciation and amortization Depreciation and amortization Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Embassy Suites by Hilton Chicago Downtown Magnificent Mile Embassy Suites By Hilton Chicago Downtown Magnificent Mile [Member] Embassy Suites by Hilton Chicago Downtown Magnificent Mile. Newark Liberty International Airport Marriott Newark Liberty International Airport Marriott [Member] Newark Liberty International Airport Marriott. Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Company Selected Measure Amount Company Selected Measure Amount 2028 Lessee, Operating Lease, Liability, to be Paid, Year Three Hyatt Regency Maui Resort and Spa Hyatt Regency Maui Resort Spa [Member] Hyatt Regency Maui Resort Spa. COMPREHENSIVE INCOME ATTRIBUTABLE TO HOST HOTELS & RESORTS, INC. Comprehensive Income (Loss), Net of Tax, Attributable to Parent Area of land acquired Asset Acquisition, Area Of Land Acquired Asset Acquisition, Area Of Land Acquired Franchise fees Franchise Fees Fees paid in connection with a franchise agreement. Disposal Group Name Disposal Group Name [Domain] Name Measure Name Summary of Income (Loss) from Continuing Operations Before Income Taxes Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] Secured Debt Secured Debt [Member] Northern Virginia Northern Virginia [Member] Northern Virginia. Partner Capital Components Partner Capital Components [Domain] Hyatt Regency Austin Hyatt Regency Austin Member Hyatt regency austin member. Total Debt Long-Term Debt Notes receivable Carrying amount, notes receivable (Level 2) Accounts and Financing Receivable, after Allowance for Credit Loss Legal Entity Legal Entity [Axis] Total assets Total assets of VIE Assets Noble Hospitality Fund V, L.P Noble Hospitality Fund V, L.P [Member] Noble Hospitality Fund V, L.P Jacksonville Jacksonville [Member] Jacksonville. Vested (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Geographical Geographical [Domain] Total Host Hotels & Resorts, L.P. capital Partners' Capital Income Taxes Income Tax, Policy [Policy Text Block] External Credit Rating by Grouping External Credit Rating by Grouping [Domain] OPERATING ACTIVITIES OPERATING ACTIVITIES Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Receivable Type [Axis] Receivable Type [Axis] Other segment items Segment Reporting, Other Segment Item, Amount Percentage of total shares awarded Share Based Compensation Arrangement By Share Based Payment Percentage Of Total Share Based Awards Percentage of the total share based awards awarded that are of this award type. Depreciation and amortization SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation, Depreciation Expense Less Restrictive Covenant Less Restrictive Covenant [Member] Less restrictive covenant. General Partner General Partner [Member] Common stock dividends (in dollars per share) Common stock (in dollars per share) Common Stock, Dividends, Per Share, Declared Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding The Ritz-Carlton, Tysons Corner The Ritz Carlton Tysons Corner [Member] The ritz-carlton tysons corner. Lease cost Lease, Cost [Abstract] Significant Other Observable Inputs (Level 2) Fair Value, Inputs, Level 2 [Member] Document Financial Statement Error Correction Document Financial Statement Error Correction [Flag] State income tax provision, net Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount Our Investment Equity Method Investments Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Business Combination Business Combination [Domain] Related Party Related Party [Member] Summary of Provision for Income Taxes from Continuing Operations Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Plan Name Plan Name [Axis] Property and Equipment Property, Plant and Equipment, Policy [Policy Text Block] Document Information [Table] Document Information [Table] PEO PEO [Member] Lease Contractual Term Lease Contractual Term [Domain] Leverage ratio Leverage Ratio Leverage ratio, which is net debt-to-EBITDA as defined in credit facility covenants. Joint Venture, Commitment Percentage, New Fund Joint Venture, Commitment Percentage, New Fund Joint Venture, Commitment Percentage, New Fund Gain on foreign currency forward contracts Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Net Investment Hedges Net Of Tax Accumulated change, net of tax, in accumulated gains and losses from derivative instruments designated and qualifying as the effective hedges of net investment in foreign operations. United States Domestic UNITED STATES Hotel Ownership Hotel Ownership [Member] Hotel Ownership Retained Deficit Retained Earnings [Member] San Francisco/San Jose San Francisco San Jose [Member] San Francisco/San Jose. Income Tax Jurisdiction Income Tax Jurisdiction [Axis] 50th percentile Payout Percentage At T S R Percentile Ranking Of Fiftieth Percentile Payout percentage at TSR percentile ranking of 50th percentile. The Westin Seattle The Westin Seattle [Member] Westin Seattle. Share-Based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Total cash and cash equivalents and restricted cash shown in the statements of cash flows Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement [Abstract] Income Statement [Abstract] Notes receivable interest rate stated percentage Notes Receivable, Interest Rate, Stated Percentage Notes Receivable, Interest Rate, Stated Percentage Noncash financial or equity instrument consideration, shares issued (in shares) Noncash or Part Noncash Acquisition, Noncash Financial or Equity Instrument Consideration, Shares Issued Sale of Stock Sale of Stock [Domain] Non-controlling interests—consolidated partnerships Noncontrolling Interest in Limited Partnerships Common OP unit issuances Temporary Equity, Stock Issued During Period, Value, New Issues Change in accrued interest Increase (Decrease) in Interest Payable, Net Notes receivable from sale of property Noncash or Part Noncash Divestiture, Amount of Consideration Received Hyatt Regency Coconut Point Resort and Spa Hyatt Regency Coconut Point Resort And Spa [Member] Hyatt Regency Coconut Point Resort and Spa. Product and Service Product and Service [Domain] Land and land improvements Land and Land Improvements Other changes in ownership Partners' Capital, Other Net operating losses, general business credits, and capital loss carryovers Deferred Tax Assets Operating Loss And Capital Loss Carry Forwards Amount before allocation of valuation allowances of deferred tax asset attributable to deductible net operating loss and capital loss carryovers. License agreements, term License Agreements, Term License Agreements, Term NET INCOME NET INCOME Net income Consolidated Net Income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Renewals and replacements Renewals and replacements Payments to Acquire Other Productive Assets Common OP unit (in dollars per unit) Distributions Per Limited Partnership Unit Outstanding, Basic Additional borrowing capacity Line Of Credit Facility Additional Borrowing Capacity Amount of option to increase aggregate principal amount of line of credit. Non taxable income of Host Inc. Effective Income Tax Rate Reconciliation, Tax Exempt Income, Amount City Area Code City Area Code Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Coronado Island Marriott Resort & Spa Coronado Island Marriott Resort And Spa [Member] Coronado Island Marriott Resort and Spa. Capitalized interest Interest Costs Capitalized Assets held for sale SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation, Assets Held For Sale SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation, Assets Held For Sale Buildings and leasehold improvements Buildings and Improvements, Gross Other Stock Plans, upper-middle management awards Other Stock Plans Upper Middle Management Award [Member] Other stock plans, upper middle management award. INVESTING ACTIVITIES INVESTING ACTIVITIES Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Corporate and other expenses Corporate and other expenses General and Administrative Expense Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Number of hotels subject to tax indemnification agreements Number Of Hotels Subject To Tax Indemnification Agreements Number Of Hotels Subject To Tax Indemnification Agreements Summary of Schedule Payout for TSR Awards Schedule Of Payout Award For Total Shareholder Return Activity [Table Text Block] Schedule of payout award for total shareholder return activity. Nashville Hotels Nashville Hotels [Member] Nashville Hotels Disposal Group, Disposed of by Sale, Not Discontinued Operations Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] Related Party Transactions [Abstract] Related Party Transactions [Abstract] Total lease cost Lease, Cost Effective Income Tax Rate Reconciliation [Line Items] Effective Income Tax Rate Reconciliation [Line Items] Other Other Other Liabilities Loss contingency, estimate of possible loss Loss Contingency, Estimate of Possible Loss Summary of Lease Costs and Other Information Lease, Cost [Table Text Block] The St Regis Houston The St Regis Houston [Member] The St. Regis Houston. Payments for inventory costs Payments for inventory costs Increase (Decrease) in Inventory for Long-Term Contracts or Programs Fair value, notes receivable (Level 2) Notes Receivable, Fair Value Disclosure Lease Contractual Term Lease Contractual Term [Axis] Alila Ventana Big Sur Alila Ventana Big Sur [Member] Alila Ventana Big Sur [Member] —Federal Deferred Federal Income Tax Expense (Benefit) Audit Information [Abstract] Audit Information International Non-US Non-US [Member] Basis spread on variable rate Loans Receivable, Basis Spread on Variable Rate Auditor Name Auditor Name Gaithersburg Marriott Washingtonian Center Gaithersburg Marriott Washingtonian Center [Member] Gaithersburg Marriott Washingtonian Center. San Francisco Marriott Marquis San Francisco Marriott Marquis [Member] San Francisco Marriott Marquis. Basis point reduction for achievement of sustainability milestone Debt Instrument, Basis Spread On Variable Rate, Rate Increase (Decrease) For Achievement Of Sustainability Milestone Debt Instrument, Basis Spread On Variable Rate, Rate Increase (Decrease) For Achievement Of Sustainability Milestone Other property-level expenses Other Property Level Expenses [Member] Other Property Level Expenses Calgary Marriott Downtown Hotel Calgary Marriott Downtown [Member] Calgary Marriott Downtown. Capital loss Capital Loss Carryforward [Member] Summary of Operating Loss, Capital Loss and General Business Credit Carryforwards Summary of Operating Loss Carryforwards [Table Text Block] Supplemental disclosure of cash flow information: Supplemental Cash Flow Information [Abstract] Grand Hyatt San Francisco Grand Hyatt San Francisco [Member] Grand Hyatt San Francisco. Hyatt Place JV Hyatt Place Nashville Downtown [Member] Hyatt Place Nashville Downtown. Other Performance Measure, Amount Other Performance Measure, Amount Foreign currency translation and other comprehensive income (loss) of unconsolidated affiliates Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax Cost of real estate for federal income tax purposes SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Federal Income Tax Basis Fair Value Measurement Fair Value Measurement, Policy [Policy Text Block] Related and Nonrelated Parties [Domain] Related and Nonrelated Parties [Domain] Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract] Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract] Number of subsequent years we may not able to qualify as REIT if failed to qualify for taxation as a REIT in any taxable year Subsequent Period Not Able To Qualify If Failed To Qualify As Real Estate Investment Trust In Any Taxable Year Subsequent Period Not Able To Qualify If Failed To Qualify As Real Estate Investment Trust In Any Taxable Year. Vesting Vesting [Axis] Financial liabilities Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract] Series L senior notes, with a rate of 5.5% due April 2035 5.500% Series L Senior Notes, Due April 2035 Series L Senior Notes Five Point Five Percent Due April Twenty Thirty Five [Member] Series K Senior Notes Five Point Five Percent Due April Twenty Twenty Five Additional paid-in capital Additional Paid in Capital, Common Stock Entity Entity [Domain] Net cash used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Advances to and investments in affiliates Advances to and investments in affiliates Combined carrying amount of investments Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Below 30th percentile Payout Percentage Below T S R Percentile Ranking Of Thirtieth Percentile Payout percentage below TSR percentile ranking of 30th percentile. Interest paid Interest Paid, Excluding Capitalized Interest, Operating Activity Document Fiscal Year Focus Document Fiscal Year Focus Lender Name Lender Name [Axis] Andaz Maui at Wailea Resort Andaz Maui At Wailea Resort [Member] Andaz Maui at Wailea Resort. Right-of-use assets Right-of-use assets Operating Lease, Right-of-Use Asset Total Effective Income Tax Rate Reconciliation, Percent Operating lease cost Operating Lease, Cost Plan Name Plan Name [Domain] Boston Marriott Copley Place Boston Marriott Copley [Member] Boston Marriott Copley. Legal Proceedings, Guarantees and Contingencies Legal Matters and Contingencies [Text Block] Valuation allowance Less: Valuation allowance Deferred Tax Assets, Valuation Allowance Equity [Abstract] Equity [Abstract] Senior notes Carrying amount, senior notes (Level 1) Senior Notes Other Comprehensive Income Location Other Comprehensive Income Location [Domain] Geographic and Business Segment Information Segment Reporting Disclosure [Text Block] Development Land Parcel Development Land Parcel [Member] Development Land Parcel —Federal Current Federal Tax Expense (Benefit) Total debt Debt and Lease Obligation Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] The Ritz-Carlton, Amelia Island The Ritz Carlton Amelia Island [Member] The Ritz-Carlton, Amelia Island. Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Santa Clara Marriott Santa Clara Marriott [Member] Santa Clara Marriott. Leases Lessee, Leases [Policy Text Block] Repurchase of common stock Repurchase of common OP units Repurchase of common stock, amount Stock Repurchased During Period, Value Summary of Components of Total Accumulated Other Comprehensive Loss in the Balance Sheets Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Return on investment Return on investment Payments for Capital Improvements Notes receivable number of extension options Notes Receivable, Number of Extension Options Notes Receivable, Number of Extension Options Increase (Decrease) in Partners' Capital [Roll Forward] Increase (Decrease) in Partners' Capital [Roll Forward] Credit facility revolver Revolving Credit Facility Revolving Credit Facility [Member] Non-cash losses on debt extinguishment Deferred Debt Issuance Cost, Writeoff Partner Capital Components Partner Capital Components [Axis] Foreign income tax provision Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount Arrangement Duration Trading Arrangement Duration JW Marriott Washington, DC J W Marriott Washington D C [Member] JW Marriott Washington D C. Segments Segments [Axis] Limited Partner Limited Partner [Member] Local Phone Number Local Phone Number Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Collaborative Arrangement and Arrangement Other than Collaborative Collaborative Arrangement and Arrangement Other than Collaborative [Domain] Market price per Host Inc. common share (in dollars per share) Grant date stock price Share Price Thereafter Long-Term Debt, Maturity, after Year Five Employee Stock Plans Share-Based Payment Arrangement [Text Block] Limited partner Limited Partners' Capital Account ASSETS ASSETS Assets [Abstract] Credit Facility Credit Facility [Axis] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Number of common shares if converted (in shares) Shares If Units Of Partnership Converted, Amount Shares If Units Of Partnership Converted, Amount Other Commitments Other Commitments [Axis] Debt Instrument Debt Instrument [Axis] Mortgage debt repayments Debt Instrument, Annual Principal Payment Four Seasons Resort Orlando At Walt Disney World Resort and Four Seasons Resort and Residences Jackson Hole Four Seasons Resort Orlando At Walt Disney World Resort and Four Seasons Resort and Residences Jackson Hole [Member] Four Seasons Resort Orlando At Walt Disney World Resort and Four Seasons Resort and Residences Jackson Hole Forfeited/expired (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Fair Value Measurements Fair Value Disclosures [Text Block] Profit Sharing and Post-employment Benefit Plans Retirement Benefits [Text Block] Other comprehensive loss attributable to non-controlling interests Accumulated Other Comprehensive Income Loss Attributable To Non Controlling Interest Accumulated other comprehensive income loss attributable to non controlling interest. Loss on extinguishment of debt Loss on extinguishment of debt Gain (Loss) on Extinguishment of Debt Credit Facility Credit Facility [Domain] Host Hotels & Resorts, Inc. stockholders’ equity: Equity, Attributable to Parent [Abstract] Executive Officer Executive Officer [Member] Axiom Hotel Axiom Hotel [Member] Axiom hotel. Debt interest rate Debt Instrument, Interest Rate, Stated Percentage Investment, Name Investment, Name [Axis] Real Estate Properties Real Estate Properties [Domain] Long-term lease liabilities Operating Lease, Liability, Noncurrent Entity Voluntary Filers Entity Voluntary Filers Distributions on common OP units Distribution Made to Limited Partner, Cash Distributions Declared Host Hotels & Resorts, L.P. capital: Partners' Capital [Abstract] Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Entity Registrant Name Entity Registrant Name Discount rates Lessee, Operating Lease, Discount Rate Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Term of extension option one Line of Credit Facility, Term Of Extension, Option One Line of Credit Facility, Term Of Extension, Option One Grand Hyatt Atlanta in Buckhead Grand Hyatt Atlanta In Buckhead [Member] Grand Hyatt Atlanta in Buckhead. Hurricanes Helene and Milton Hurricanes Helene And Milton [Member] Hurricanes Helene And Milton Base management fee as percentage of annual gross revenues Property Management Fee, Percent Fee Debt repurchase authorized amount Debt Repurchase Authorized Amount Amount of Board authorized debt repurchase program. Decrease in inventory for units sold Increase (Decrease) in Inventories and Other Operating Assets Other State and Local Tax Jurisdiction, Other [Member] Gain Contingency, Nature [Domain] Gain Contingency, Nature [Domain] Philadelphia Marriott Downtown JV Philadelphia Marriott Downtown [Member] Philadelphia Marriott Downtown. JW Marriott Atlanta Buckhead J W Marriott Atlanta Buckhead [Member] JW Marriott Atlanta Buckhead. Los Angeles/Orange County Los Angeles Orange County [Member] Los Angeles orange county. Summary of Debt Schedule of Debt [Table Text Block] Real Estate Property Ownership Real Estate Property Ownership [Axis] Related and Nonrelated Parties [Axis] Related and Nonrelated Parties [Axis] Granted (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Collaborative Arrangement and Arrangement Other than Collaborative Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Restatement Determination Date: Restatement Determination Date [Axis] Contingent Consideration Contingent Consideration [Member] Contingent Consideration The Laura Hotel The Laura Hotel [Member] The laura hotel. —Foreign Deferred Foreign Income Tax Expense (Benefit) Baker's Cay Resort Key Largo, Curio Collection by Hilton Bakers Cay Resort Key Largo [Member] Baker’s Cay Resort Key Largo, Curio Collection. Other financing activities Other financing activities Proceeds from (Payment for) Other Financing Activity Amounts reclassified from other comprehensive income Amounts reclassified from Other Comprehensive Income Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Name Trading Arrangement, Individual Name Redemptions of limited partner interests for common stock Redemptions of limited partner interests for common stock Stock Issued During Period, Value, Conversion of Units Number of eligible green projects to finance and/or refinance (or more) Debt Instrument, Minimum Number Of Projects To Finance And Or Refinance Debt Instrument, Minimum Number Of Projects To Finance And Or Refinance Performance period Share Based Compensation Arrangement By Share Based Payment Award Award Performance Period ShareBased compensation arrangement by share based payment award award performance period. Face amount of debt Debt Instrument, Face Amount Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Time-Based Awards Time Based [Member] Vesting based on continued employment on the vesting date (“Time-Based Award”). Property and equipment Deferred Tax Assets, Property, Plant and Equipment Philadelphia Airport Marriott Philadelphia Airport Marriott [Member] Philadelphia Airport Marriott. Maui JV Hyatt Residence Club At Maui Joint Venture [Member] Hyatt residence club at Maui joint venture. Name Awards Close in Time to MNPI Disclosures, Individual Name Balance, at beginning of year (in dollars per share) Balance, at end of year (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Gain on interest rate swap cash flow hedges AOCI, Cash Flow Hedge, Cumulative Gain (Loss), after Tax Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Other commitment Other Commitment Other gains Other gains Other gains Other gains Other gains Other Nonoperating Gains (Losses) ICFR Auditor Attestation Flag ICFR Auditor Attestation Flag Asset Acquisition and Business Combination [Line Items] Asset Acquisition [Line Items] Redeemable non-controlling Interests of Host Hotels & Resorts, L.P. Temporary Equity Redeemable Noncontrolling Interests [Member] Redeemable Noncontrolling Interests Temporary Equity [Member] Acquisitions and Business Combinations Business Combinations and Other Purchase of Business Transactions, Policy [Policy Text Block] Relationship with Marriott International Management Agreement [Text Block] This element captures specific agreements including any negotiated amendments specifically with the manager of the majority of the entity's owned-hotels. Foreign Tax Jurisdiction Foreign Tax Jurisdiction [Member] Auditor Firm ID Auditor Firm ID Segments Segments [Domain] Foreign income Income (Loss) from Continuing Operations before Income Taxes, Foreign Line of credit facility remaining borrowing capacity Line of Credit Facility, Remaining Borrowing Capacity Fair Value Hierarchy and NAV Fair Value Hierarchy and NAV [Domain] Common OP units outstanding (in shares) Common OP units outstanding (millions) (in shares) Common OP units outstanding (in units) Units of Partnership Interest, Amount Amortization of finance costs, discounts and premiums, net Amortization of finance costs, discounts and premiums, net Amortization of Debt Issuance Costs and Discounts Less accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Earnings (Loss) Per Common Share (Unit) Earnings Per Share, Policy [Policy Text Block] Non-Controlling Interests Consolidation, Subsidiaries or Other Investments, Consolidated Entities, Policy [Policy Text Block] Reclassification of property and equipment Property, Plant and Equipment, Transfers and Changes Senior Notes Senior Notes [Member] Investments in and Advances to Affiliates [Table] Investments in and Advances to Affiliates [Table] Business Interruption Insurance Business Interruption Insurance [Member] Business Interruption Insurance All Executive Categories All Executive Categories [Member] Summary of Primary Components of Net Deferred Tax Asset Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Common stock, par value $0.01, 1,050 million shares authorized, 687.8 million shares and 699.1 million shares issued and outstanding, respectively Common Stock, Value, Issued Title and Position Title and Position [Axis] Denver Marriott Tech Center Denver Marriott Tech Center Hotel [Member] Denver Marriott Tech Center Hotel. The Westin Denver Downtown The Westin Denver Downtown [Member] The Westin Denver Downtown. Business Combination Business Combination [Axis] COMPREHENSIVE INCOME Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Valuation allowance as a percentage Deferred Tax Asset, Valuation Allowance, Percentage Deferred Tax Asset, Valuation Allowance, Percentage Non-redeemable non-controlling Interests of Other Consolidated Partnerships Noncontrolling Interest [Member] Investments in Affiliates Equity Method Investments [Policy Text Block] Ownership Interests Equity Method Investment, Ownership Percentage Washington, D.C. (Central Business District) DISTRICT OF COLUMBIA Noble JV Noble JV [Member] Noble JV [Member] Net deferred tax assets Deferred Tax Assets, Net PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Senior Executive Plan Senior Executive Plan [Member] Senior executive plan. Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Scenario Scenario [Axis] Income Tax [Table] Income Tax [Table] Income tax table. California CALIFORNIA Brazil Secretariat of the Federal Revenue Bureau of Brazil [Member] Grand Hyatt Washington Grand Hyatt Washington [Member] Grand Hyatt Washington. All Individuals All Individuals [Member] Long-term Debt, Type Long-Term Debt, Type [Domain] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Name Forgone Recovery, Individual Name Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Series K senior notes, with a rate of 5.7% due July 2034 Series K Senior Notes Five Point Seven Percent Due July Twenty Thirty Four [Member] Series K Senior Notes Five Point Seven Percent Due July Twenty Thirty Four The Logan The Logan [Member] The Logan. Disposal Group Classification [Axis] Disposal Group Classification [Axis] Payment for contingent consideration joint venture Payment For Contingent Consideration, Part Noncash, Joint Venture Payment For Contingent Consideration, Part Noncash, Joint Venture Number of extension options Line Of Credit Facility, Number of Extension Options Line Of Credit Facility, Number of Extension Options Average interest rate Debt, average interest rate Debt, Weighted Average Interest Rate Swingline Loans Swingline Loans [Member] Swingline loans. Percentage greater than threshold of income tax examination minimum likelihood of tax benefits being realized upon settlement Percentage Greater Than Threshold Of Income Tax Examination Minimum Likelihood Of Tax Benefits Being Realized Upon Settlement Percentage greater than threshold of income tax examination minimum likelihood of tax benefits being realized upon settlement. The Singer Oceanfront Resort, Curio Collection by Hilton The Singer Oceanfront Resort, Curio Collection by Hilton [Member] The Singer Oceanfront Resort, Curio Collection by Hilton Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Geographical Geographical [Axis] Mortgage and other debt Mortgage and other debt, with an average interest rate of 4.67% at both December 31, 2025 and 2024, maturing through November 2027 Other Borrowings Lessee Lease Description [Line Items] Lessee, Lease, Description [Line Items] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] The Ritz-Carlton Naples, Tiburón The Ritz-Carlton Naples, Tiburon [Member] The Ritz-Carlton Golf Resort, Naples. Preferred stock, no par value (in dollars per share) Preferred Stock, No Par Value Partner Type of Partners' Capital Account, Name Partner Type of Partners' Capital Account, Name [Domain] Sheraton Parsippany Hotel Sheraton Parsippany Hotel [Member] Sheraton Parsippany Hotel. Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Title of 12(b) Security Title of 12(b) Security Lessee Lease Description [Table] Lessee, Lease, Description [Table] Disposal Groups, Including Discontinued Operations [Table] Disposal Groups, Including Discontinued Operations [Table] Agreements with Marriott International Inc Marriott Marriott International Inc [Member] Marriott International Inc. Disclosure Employee Stock Plans Schedule Payout For T S R Awards Detail [Line Items] Disclosure Employee Stock Plans Schedule Payout For T S R Awards Detail [Line Items] Disclosure employee stock plans schedule payout for TSR awards detail line items. Number of hotels subject to ground leases Number of Properties Subject to Ground Leases 2030 Lessee, Operating Lease, Liability, to be Paid, Year Five Percentage of investment ownership Subsidiary, Ownership Percentage, Parent Return of investments in affiliates Return of investments in affiliates Proceeds from Equity Method Investment, Distribution, Return of Capital JW Marriott Hotel Rio de Janeiro J W Marriott Hotel Rio De Janeiro [Member] JW Marriott Hotel Rio De Janeiro. Capital loss Tax Credit Carryforward, Amount Property insurance proceeds Loss Contingency, Receivable, Proceeds Summary of Reconciliation between Interest Expense and Cash Interest Paid Interest Income and Interest Expense Disclosure [Table Text Block] TSR Awards T S R Based [Member] Vesting based on the achievement of relative total shareholder return (“TSR”). Short-term Debt, Type Short-Term Debt, Type [Axis] Austin Austin [Member] Austin [Member] Harbor Beach JV Harbor Beach Joint Venture [Member] Harbor beach joint venture. Furniture, fixtures and equipment replacement fund Cash included in furniture, fixtures and equipment replacement fund Furniture, fixtures and equipment replacement fund Replacement Reserve Escrow External Credit Rating by Grouping External Credit Rating by Grouping [Axis] Award Timing Disclosures [Line Items] Equity of Host Inc. and Capital of Host L.P. Equity [Text Block] Partner Type Partner Type [Axis] —State Deferred State and Local Income Tax Expense (Benefit) Illinois ILLINOIS NET INCOME ATTRIBUTABLE TO HOST HOTELS & RESORTS, INC. Net income Net income Net Income (Loss) Attributable to Parent Other Hotel, Other [Member] Gain on property insurance settlement Gain on property insurance settlement Net gain on property insurance settlements Gain on property insurance Insured Event, Gain (Loss) Gross Amount at end of period, Total Beginning Balance Ending Balance SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross Summary of Income Tax Provision Calculated at Statutory U.S. Federal Corporate Income Tax Rate and Actual Income Tax Provision Recorded Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Equity award vesting period Vesting term Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Other Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Swissôtel Chicago Swissotel Chicago [Member] Swissotel Chicago. Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Common stock repurchases Payments for Repurchase of Common Stock Adoption Date Trading Arrangement Adoption Date Capital expenditures and transfers from construction-in-progress SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Improvements At or above 75th percentile Payout Percentage At Or Above T S R Percentile Ranking Of Seventy Fifth Percentile Payout percentage at or above TSR percentile ranking of 75th percentile. OPERATING PROFIT Operating Income (Loss) Florida FLORIDA Credit facility Line of Credit [Member] Deficit Retained Earnings (Accumulated Deficit) Name of Property Name of Property [Axis] Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Class of Stock Class of Stock [Axis] Other information Other Operating Lease Information [Abstract] Other operating lease information. Dividends taxable as ordinary income deduction section 199A Dividends Taxable as Ordinary Deduction Dividends taxable as ordinary deduction. Subsequent Event Type Subsequent Event Type [Domain] Series I senior notes, with a rate of 3½% due September 2030 Series I Senior Notes Three Point Five Percent Due September Twenty Thirty [Member] Series I senior notes three point five percent due september twenty thirty member. Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] The Ritz-Carlton, Marina del Rey The Ritz Carlton Marina Del Rey [Member] The Ritz-Carlton, Marina del Rey. Statement [Table] Statement [Table] Deferred income taxes Deferred income taxes Deferred income tax provision (benefit) Deferred Income Tax Expense (Benefit) Adjustments to reconcile net income to net cash provided by operating activities: Adjustments to reconcile net income to net cash provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] FINANCING ACTIVITIES FINANCING ACTIVITIES Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Hyatt Hyatt [Member] Hyatt. Fixed charge coverage ratio Fixed Charge Coverage Ratio Fixed charge coverage ratio. Beginning Balance (in units) Ending Balance (in units) Partners' Capital Account, Units Philadelphia Philadelphia [Member] Philadelphia. Massachusetts MASSACHUSETTS All Adjustments to Compensation All Adjustments to Compensation [Member] Amendment Flag Amendment Flag Other Comprehensive Income Location Other Comprehensive Income Location [Axis] Credit facility revolver Debt Issuance Costs, Line of Credit Arrangements, Net Termination Date Trading Arrangement Termination Date Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Condominium sales Home Building [Member] Receivable [Domain] Receivable [Domain] Vesting over three-year period Share-Based Payment Arrangement, Tranche Three [Member] Weighted-average discount rate - operating leases Weighted-average discount rate - operating leases Operating Lease, Weighted Average Discount Rate, Percent Houston Houston [Member] Houston. Basic weighted average shares outstanding (in shares) Basic weighted average units outstanding (in units) Weighted Average Number of Shares Outstanding, Basic Summary of Earnings Per Common Share (Unit) Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Foreign exchange net losses (AOCI) Deferred Tax Assets, Unrealized Currency Losses Segment Reporting [Abstract] Segment Reporting [Abstract] Recognized material interest or penalties Income Tax Examination, Penalties and Interest Expense The Westin South Coast Plaza, Costa Mesa The Westin South Coast Plaza Costa Mesa [Member] Westin south coast plaza costa mesa. Notes Receivable One Notes Receivable One [Member] Notes Receivable One Debt Disclosure [Abstract] Debt Disclosure [Abstract] New York Marriott Downtown New York Marriott Downtown [Member] New York Marriott Downtown. Scenario Scenario [Domain] EXPENSES EXPENSES Costs and Expenses [Abstract] Disclosure Employee Stock Plans Schedule Payout For T S R Awards [Table] Disclosure Employee Stock Plans Schedule Payout For T S R Awards [Table] Disclosure employee stock plans schedule payout for TSR Awards. Income Tax Authority, Name Income Tax Authority, Name [Axis] Distributions and payments to non-controlling interests Distributions and payments to non-controlling interests Distributions And Payments To Non Controlling Interests Distributions and payments to non-controlling interests. Net repayments under credit facility Proceeds from (Repayments of) Lines of Credit Common stock dividends Dividends, Cash Unamortized discount Debt Instrument, Unamortized Discount Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Share Based Compensation Arrangement by Share Based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Consolidated Entities Consolidated Entities [Axis] Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Impairment charges Impairment of Real Estate Change in due from/to managers Change in due from/to managers Increase Decrease In Due From Managers The net change during the reporting period in the amount due within one year (or one business cycle) relating to owner's distribution of property operating cash flow from the hotel managers. Cross-border tax laws Effective Income Tax Rate Reconciliation, Cross-Border Tax Effect, Amount Fair value, credit facility (Level 2) Line of Credit Facility, Fair Value of Amount Outstanding Use of Estimates in the Preparation of Financial Statements Use of Estimates, Policy [Policy Text Block] Financial Instruments Owned and Pledged as Collateral [Table] Financial Instruments Owned and Pledged as Collateral [Table] Construction in progress Construction in Progress, Gross Foreign currency translation and other comprehensive income (loss) of unconsolidated affiliates Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Insider Trading Arrangements [Line Items] Cost of goods sold Product and Service, Other [Member] Total liabilities Liabilities of VIE Liabilities Facility commitment fee Line of Credit Facility, Commitment Fee Percentage Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] AOCI Foreign Exchange Net Loss Accumulated Other Comprehensive Income Foreign Exchange Net Loss [Member] Accumulated other comprehensive income foreign exchange net loss. Noble Investment Group LLC Noble Investment Group LLC [Member] Noble investment group LLC member. Change in fair value of derivative instruments Change in fair value of derivative instruments Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax1 Other comprehensive income unrealized gain loss on derivatives arising during period net of tax1. Counterparty Name Counterparty Name [Axis] Tax Credit Carryforward, Name Tax Credit Carryforward, Name [Domain] Net income Net income Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member] Minneapolis Marriott City Center Minneapolis Marriott City Center [Member] Minneapolis Marriott City Center. Joint Venture, Exercise Of Put Right, Fixed Amount Joint Venture, Exercise Of Put Right, Fixed Amount Joint Venture, Exercise Of Put Right, Fixed Amount