Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Hotel Hotel [Member] Statistical Measurement Statistical Measurement [Domain] 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] Phoenix Phoenix [Member] Phoenix. Equity in earnings of affiliates Equity in earnings of affiliates Equity in earnings of affiliates Equity in earnings of affiliates Income (Loss) from Equity Method Investments Tabular List, Table Tabular List [Table Text Block] Repurchase of common OP units Payment For Repurchase Of Partners Capital Unit Payment for repurchase of partners capital unit. Nashville Nashville [Member] Nashville Debt Debt Debt and Lease Obligation [Abstract] Summary of Fair Values of Certain Financial Assets and Financial Liabilities Fair Value, by Balance Sheet Grouping [Table Text Block] Seattle Seattle [Member] Seattle. Redemption value (millions) Redeemable Noncontrolling Interest, Equity, Redemption Value 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 Adjustment to Compensation: Adjustment to Compensation [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Revenue Revenue from Contract with Customer [Text Block] OTHER COMPREHENSIVE INCOME, NET OF TAX Other comprehensive income Other Comprehensive Income (Loss), Net of Tax Significant Accounting Policies [Table] Significant Accounting Policies [Table] Significant accounting policies. Summary of Segment Reporting Information, by Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Historical cost (millions) Historical Cost Historical cost of redeemable non-controlling interest. Assets held for sale Assets held for sale Disposal Group, Including Discontinued Operation, Assets Adjustment to Compensation, Amount Adjustment to Compensation Amount Changes in other assets Changes in other assets Increase (Decrease) in Other Operating Assets 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] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Proceeds from sales of assets, net Proceeds from Sale of Productive Assets Total equity of Host Hotels & Resorts, Inc. stockholders Equity, Attributable to Parent OTHER COMPREHENSIVE INCOME, NET OF TAX OTHER COMPREHENSIVE INCOME, NET OF TAX Other Comprehensive Income (Loss), Net of Tax [Abstract] Insider Trading Policies and Procedures [Line Items] Summary of Property and Equipment Property, Plant and Equipment [Table Text Block] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Fair value, senior notes (Level 1) Notes Payable, Fair Value Disclosure Mortgage debt (Level 2) Secured Debt Financial assets Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract] Shares issued (in shares) Stock Issued During Period, Shares, New Issues Equity Distribution Program Equity Distribution Program [Member] Equity Distribution Program Loss Contingency [Abstract] Loss Contingency [Abstract] Total liabilities, non-controlling interests and equity Liabilities and Equity Noncontrolling Interest [Line Items] Noncontrolling Interest [Line Items] 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 LIABILITIES, NON-CONTROLLING INTERESTS AND EQUITY LIABILITIES, LIMITED PARTNERSHIP INTERESTS OF THIRD PARTIES AND CAPITAL Liabilities and Equity [Abstract] Cover [Abstract] Cover [Abstract] Stock issuance remaining capacity Stock Issuance Remaining Capacity Value of shares remaining under the current issuance program. Dispositions Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Maximum Maximum Maximum [Member] Less: Net income attributable to non-controlling interests Less: Net income attributable to non-controlling interests Net Income (Loss) Attributable to Noncontrolling Interest Capital Expenditures Segment, Expenditure, Addition to Long-Lived Assets Accounting Policies [Abstract] Accounting Policies [Abstract] Maui Maui [Member] Maui Mortgage debt and other prepayments and scheduled maturities Mortgage debt and other prepayments and scheduled maturities Repayments of Secured Debt Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Pay vs Performance Disclosure [Line Items] Rooms Rooms Occupancy [Member] Lease liabilities Lease liabilities Operating Lease, Liability Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Limited partnership interests of third parties Limited Partnership Interests Of Third Parties [Member] Limited partnership interests of third parties. Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Depreciation and amortization Depreciation and amortization Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction 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] Loss Contingency Nature Loss Contingency Nature [Axis] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Company Selected Measure Amount Company Selected Measure Amount Less: Comprehensive income attributable to non-controlling interests 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] COMPREHENSIVE INCOME ATTRIBUTABLE TO HOST HOTELS & RESORTS, L.P. Comprehensive Income (Loss), Net of Tax, Attributable to Parent Disposal Group Name Disposal Group Name [Domain] Name Measure Name Foreign operations, number of countries Number of Countries in which Entity Operates Northern Virginia Northern Virginia [Member] Northern Virginia. San Antonio San Antonio [Member] San Antonio. Document Fiscal Period Focus Document Fiscal Period Focus Partner Capital Components Partner Capital Components [Domain] 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] Notes receivable Notes receivable Carrying amount, notes receivable (Level 2) Accounts and Financing Receivable, after Allowance for Credit Loss Legal Entity Legal Entity [Axis] Total assets Assets Trading Symbol Trading Symbol Jacksonville Jacksonville [Member] Jacksonville. Significant Accounting Policies [Line Items] Significant Accounting Policies [Line Items] Significant accounting policies. Geographical Geographical [Domain] Total Host Hotels & Resorts, L.P. capital Partners' Capital Entity Address, City or Town Entity Address, City or Town OPERATING ACTIVITIES OPERATING ACTIVITIES Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Other segment items Segment Reporting, Other Segment Item, Amount 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 Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Distributions declared on common OP units Partners' Capital Account, Distributions Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] General Partner General Partner [Member] Entity Emerging Growth Company Entity Emerging Growth Company Dividend declared (in dollars per share) Common Stock, Dividends, Per Share, Declared Consolidation, variable interest entities Consolidation, Variable Interest Entity, Policy [Policy Text Block] Entity Common Stock, Shares Outstanding (in shares) Entity Common Stock, Shares Outstanding 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. Significant Other Observable Inputs (Level 2) Fair Value, Inputs, Level 2 [Member] Restricted cash (included in other assets) Restricted Cash and Cash Equivalent Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Document Information [Table] Document Information [Table] PEO PEO [Member] Summary of Disaggregated Hotel Revenues by Market Location Disaggregation of Revenue [Table Text Block] United States Domestic UNITED STATES Hotel Ownership Hotel Ownership [Member] Hotel Ownership 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. Retained Deficit Retained Earnings [Member] Accounts payable and accrued expenses Accounts payable and accrued expenses Accounts Payable and Accrued Liabilities San Francisco/San Jose San Francisco/San Jose [Member] San Francisco/San Jose. Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Total cash and cash equivalents and restricted cash shown in the statements of cash flows 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] Benefit (provision) for income taxes Benefit (provision) for income taxes Income Tax Expense (Benefit) 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. Sale of Stock Sale of Stock [Domain] Other Other Other Assets Non-controlling interests—consolidated partnerships Noncontrolling Interest in Limited Partnerships Document Information [Line Items] Document Information [Line Items] Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Product and Service Product and Service [Domain] Fair Value Hierarchy and NAV Fair Value Hierarchy and NAV [Axis] Changes in ownership and other Partners' Capital, Other Property and equipment, gross Property, Plant and Equipment, Gross Land and land improvements Land and Land Improvements Denver Denver [Member] Denver. NET INCOME NET INCOME Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Discontinued Operations and Disposal Groups [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Renewals and replacements Renewals and replacements Payments to Acquire Other Productive Assets 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] City Area Code City Area Code Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] 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] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Buildings and leasehold improvements Buildings and Improvements, Gross Capital expenditures: Capital expenditures: Payments to Acquire Productive Assets [Abstract] INVESTING ACTIVITIES INVESTING ACTIVITIES Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Corporate and other expenses Corporate and other expenses Corporate and other expenses General and Administrative Expense Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] 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 Disposal Group, Disposed of by Sale, Not Discontinued Operations Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] Subsequent Event Subsequent Event [Member] Other Other Other Liabilities Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Loss contingency, estimate of possible loss Loss Contingency, Estimate of Possible Loss PEO Total Compensation Amount PEO Total Compensation Amount Long-term Debt, Type Long-Term Debt, Type [Axis] 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 Equity Components Equity Components [Axis] International Non-US Non-US [Member] Real Estate Properties [Line Items] Real Estate Properties [Line Items] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Number of reportable segments Number of Reportable Segments Other property-level expenses Other property-level expenses Other Property Level Expenses [Member] Other Property Level Expenses Interest income Interest income Interest and Other Income Supplemental disclosure of cash flow information: Supplemental Cash Flow Information [Abstract] Other Performance Measure, Amount Other Performance Measure, Amount Foreign currency translation and other comprehensive income of unconsolidated affiliates Foreign currency translation and other comprehensive income of unconsolidated affiliates Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax Entity Address, State or Province Entity Address, State or Province Dividends declared on common stock Dividends, Common Stock Individual: Individual [Axis] Financial liabilities Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract] Dividends on common stock Payments of Ordinary Dividends, Common Stock Additional paid-in capital Additional Paid in Capital, Common Stock Entity Entity [Domain] Net cash provided by (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 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] Total interest paid Interest Paid, Excluding Capitalized Interest, Operating Activity Document Fiscal Year Focus Document Fiscal Year Focus Basis of accounting Basis of Accounting, Policy [Policy Text Block] Right-of-use assets Right-of-use assets Operating Lease, Right-of-Use Asset Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Contingencies Contingencies Disclosure [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 Legal Proceedings Legal Matters and Contingencies [Text Block] Loss Contingency, Nature Loss Contingency, Nature [Domain] Equity [Abstract] Equity [Abstract] Senior notes Senior notes Carrying amount, senior notes (Level 1) Senior Notes Geographic and Business Segment Information Segment Reporting Disclosure [Text Block] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Total debt Debt and Lease Obligation Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Number of partnerships Variable Interest Entity, Number Of Partnerships Variable Interest Entity, Number Of Partnerships Ownership Ownership [Domain] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Repurchase of common stock Repurchase of common stock Repurchase of common OP units Stock Repurchased During Period, Value Stockholders Equity Note [Line Items] Stockholders Equity Note [Line Items] Stockholders equity note. Return on investment Return on investment Payments for Capital Improvements Entity Central Index Key Entity Central Index Key PEO Name PEO Name Increase (Decrease) in Partners' Capital [Roll Forward] Increase (Decrease) in Partners' Capital [Roll Forward] 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] Advances to and investments in affiliates Advances to and investments in affiliates Payments to Acquire Interest in Subsidiaries and Affiliates Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Summary of Components of Equity Schedule of Stockholders Equity [Table Text Block] Partner Capital Components Partner Capital Components [Axis] Arrangement Duration Trading Arrangement Duration Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Segments Segments [Axis] Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Limited Partner Limited Partner [Member] Class of Stock Class of Stock [Domain] Local Phone Number Local Phone Number Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Market price per Host Inc. common share (in dollars per share) Share Price Subsequent Event Type Subsequent Event Type [Axis] Limited partner Limited Partners' Capital Account Discontinued operation, consideration Disposal Group, Including Discontinued Operation, Consideration 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 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 Fair Value Measurements Fair Value Disclosures [Text Block] Credit Facility Credit Facility [Domain] Host Hotels & Resorts, Inc. stockholders’ equity: Equity, Attributable to Parent [Abstract] 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 AOCI Attributable to Parent [Member] Host Hotels & Resorts, L.P. capital: Partners' Capital [Abstract] 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 Location Schedule of Real Estate Properties [Table Text Block] 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. Fair Value as of Grant Date Award Grant Date Fair Value Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Entity Registrant Name Entity Registrant Name Partners' Capital, Limited Partner's Capital Account, Class [Table] Partners' Capital, Limited Partner's Capital Account, Class [Table] Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Earnings Per Share, Diluted, by Common Class, Including Two-Class Method [Table] Earnings Per Share, Diluted, by Common Class, Including Two-Class Method [Table] Hurricanes Helene and Milton Hurricanes Helene And Milton [Member] Hurricanes Helene And Milton 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. 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 Total operating costs and expenses Costs and Expenses Decrease in inventory for units sold Increase (Decrease) in Inventories and Other Operating Assets Document Quarterly Report Document Quarterly Report Gain Contingency, Nature Gain Contingency, Nature [Domain] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Los Angeles/Orange County Los Angeles Orange County [Member] Los Angeles orange county. Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Other Litigation Cases Other Litigation Cases [Member] Other litigation cases. Restatement Determination Date: Restatement Determination Date [Axis] Insurance receivable, initial value Loss Contingency, Receivable, Initial Value Loss Contingency, Receivable, Initial Value Non-PEO NEO Non-PEO NEO [Member] Brazil BRAZIL Other financing activities Other financing activities Proceeds from (Payment for) Other Financing Activity Sale of Stock Sale of Stock [Axis] Management fees Management fees Management Service [Member] Name Trading Arrangement, Individual Name All Award Types Award Type [Domain] Proceeds from 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] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Canada CANADA Compensation Amount Outstanding Recovery Compensation Amount Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Name Awards Close in Time to MNPI Disclosures, Individual Name Orlando Orlando [Member] Orlando. Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Organization Consolidation and Presentation of Financial Statements Disclosure [Line Items] Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items] Organization consolidation and presentation of financial statements disclosure. Other gains Other gains Other gains Other Nonoperating Gains (Losses) REVENUES REVENUES Revenues [Abstract] Redeemable, non-controlling interests Temporary Equity Redeemable Noncontrolling Interests [Member] Redeemable Noncontrolling Interests Temporary Equity [Member] Accumulated other comprehensive loss Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Segments Segments [Domain] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Fair Value Hierarchy and NAV Fair Value Hierarchy and NAV [Domain] Common units outstanding (in shares) Common OP units outstanding (millions) (in shares) 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 Minimum Minimum [Member] Less accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Company Selected Measure Name Company Selected Measure Name Senior Notes Senior Notes [Member] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Business Interruption Insurance Business Interruption Insurance [Member] Business Interruption Insurance Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] All Executive Categories All Executive Categories [Member] Common stock, par value $0.01, 1,050 million shares authorized, 684.9 million shares and 687.8 million shares issued and outstanding, respectively Common Stock, Value, Issued Diluted weighted average shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Diluted Segment EBITDA Earnings Before Interest Tax Depreciation And Amortization Earnings Before Interest Tax Depreciation And Amortization Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] COMPREHENSIVE INCOME Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Entity Small Business Entity Small Business Non-redeemable, non-controlling interests Non-controlling Interests Noncontrolling Interest [Member] Document Transition Report Document Transition Report Washington, D.C. (Central Business District) DISTRICT OF COLUMBIA Noncontrolling Interest [Table] Noncontrolling Interest [Table] Underlying Securities Award Underlying Securities Amount Term Loan Term Loan [Member] Term loan. Equity Component Equity Component [Domain] Organization Consolidation and Presentation of Financial Statements Disclosure [Table] Organization Consolidation And Presentation Of Financial Statements Disclosure [Table] Organization consolidation and presentation of financial statements disclosure. Document Period End Date Document Period End Date PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Furniture and equipment Fixtures and Equipment, Gross Florida Gulf Coast Florida Gulf Coast [Member] Florida Gulf Coast. Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] 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 Document Type Document Type Earnings Per Common Share (Unit) Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Loss Contingencies [Table] Loss Contingencies [Table] Product and Service Product and Service [Axis] Total Revenues Total revenues Total Revenue from Contract with Customer, Excluding Assessed Tax 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 Statistical Measurement Statistical Measurement [Axis] 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] Disposal Group Classification [Axis] Disposal Group Classification [Axis] Distribution per share (in dollars per unit) Partners' Capital, Distribution Amount Per Share Food and beverage Food and beverage Food and Beverage [Member] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Disposal Group Name Disposal Group Name [Axis] Earnings Per Share Diluted [Line Items] Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Geographical Geographical [Axis] Mortgage and other debt Mortgage and other debt Other Borrowings Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Quoted Prices in Active Markets for Identical Assets (Level 1) Fair Value, Inputs, Level 1 [Member] Gain on sale Gain (Loss) on Disposition of Assets Credit facility, including the term loans of $999 Credit facility Credit facility term loan due Long-Term Line of Credit Partner Type of Partners' Capital Account, Name Partner Type of Partners' Capital Account, Name [Domain] Boston Boston [Member] Boston. Diluted earnings per common share (in dollars per share) Diluted earnings per common unit (in dollars per unit) Earnings Per Share, Diluted Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Title of 12(b) Security Title of 12(b) Security Total capital Beginning Balance Ending Balance Partners' Capital, Including Portion Attributable to Noncontrolling Interest Disposal Groups, Including Discontinued Operations [Table] Disposal Groups, Including Discontinued Operations [Table] Dividends [Axis] Dividends [Axis] Earnings Per Share [Abstract] Earnings Per Share [Abstract] Percentage of the common OP units Investment ownership percentage Subsidiary, Ownership Percentage, Parent Variable Interest Entity, Not Primary Beneficiary Variable Interest Entity, Not Primary Beneficiary [Member] Insurance proceeds Loss Contingency, Receivable, Proceeds Financial Instruments Owned and Pledged as Collateral [Line Items] Financial Instruments Owned and Pledged as Collateral [Line Items] Changes in ownership and other Stockholders' Equity, Other Noncontrolling Interest [Abstract] Noncontrolling Interest [Abstract] Austin Austin [Member] Austin [Member] Furniture, fixtures and equipment replacement fund Cash included in furniture, fixtures and equipment replacement fund Replacement Reserve Escrow Distributions on common OP units Distribution Made to Limited Partner, Cash Distributions Paid Income taxes paid Income Taxes Paid, Net Award Timing Disclosures [Line Items] Property and Equipment Property, Plant and Equipment Disclosure [Text Block] Partner Type Partner Type [Axis] Equity of Host Inc. and Capital of Host L.P. Equity [Text Block] Distributions to non-controlling interests Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders NET INCOME ATTRIBUTABLE TO HOST HOTELS & RESORTS, INC. Net income Net Income (Loss) Attributable to Parent Other Other Hotel, Other [Member] Dividends [Domain] Dividends [Domain] Expiration Date Trading Arrangement Expiration Date General partner and limited partner interest Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage Changes in other liabilities Changes in other liabilities Increase (Decrease) in Other Operating Liabilities Property and equipment, net Property and equipment, net Property and equipment, net Property, Plant and Equipment, Net Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Common stock repurchases Payments for Repurchase of Common Stock Adoption Date Trading Arrangement Adoption Date Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Gain Contingencies, Nature Gain Contingencies, Nature [Axis] Entity Current Reporting Status Entity Current Reporting Status Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] OPERATING PROFIT Operating Income (Loss) Consolidated Entities Consolidated Entities [Domain] Deficit Retained Earnings (Accumulated Deficit) Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] 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] Executive Category: Executive Category [Axis] Oahu Oahu [Member] Oahu Class of Stock Class of Stock [Axis] Current Fiscal Year End Date Current Fiscal Year End Date Subsequent Event Type Subsequent Event Type [Domain] 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] Property insurance proceeds - remediation costs Property insurance proceeds - remediation costs Proceeds from Insurance Settlement, Operating Activities O 2026 Q2 Dividends O 2026 Q2 Dividends [Member] O 2026 Q2 Dividends Statement [Table] Statement [Table] Real Estate Property, Ownership [Table] Real Estate Property, Ownership [Table] 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] Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Non-controlling Interests Noncontrolling Interest Disclosure [Text Block] The St. Regis Houston, The Four Seasons Resort Orlando At Walt Disney World Resort, And The Four Seasons Resort And Residence Jackson Hole The St. Regis Houston, The Four Seasons Resort Orlando At Walt Disney World Resort, And The Four Seasons Resort And Residence Jackson Hole [Member] The St. Regis Houston, The Four Seasons Resort Orlando At Walt Disney World Resort, And The Four Seasons Resort And Residence Jackson Hole Distributions from investments in affiliates Distributions from investments in affiliates Proceeds from Equity Method Investment, Distribution Philadelphia Philadelphia [Member] Philadelphia. Organization Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] All Adjustments to Compensation All Adjustments to Compensation [Member] Amendment Flag Amendment Flag Termination Date Trading Arrangement Termination Date Net cash used in financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Measure: Measure [Axis] Condominium sales Condominium sales Home Building [Member] Houston Houston [Member] Houston. Issuance of common stock for comprehensive stock plans, net Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Basic weighted average shares outstanding (in shares) Basic weighted average units outstanding (in units) Weighted Average Number of Shares Outstanding, Basic Amount available for repurchase Share Repurchase Program, Remaining Authorized, Amount Expenses Cost of Product and Service Sold Disposal Group Classification [Domain] Disposal Group Classification [Domain] Summary of Earnings Per Common Share (Unit) Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Insurance receivable Loss Contingency, Receivable Segment Reporting [Abstract] Segment Reporting [Abstract] 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 Financial Instruments 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 EXPENSES EXPENSES Costs and Expenses [Abstract] Distributions and payments to non-controlling interests Distributions And Payments To Non Controlling Interests Distributions and payments to non-controlling interests. Total Number of Real Estate Properties Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Consolidated Entities Consolidated Entities [Axis] Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Common stock, shares issued (in shares) Common Stock, Shares, Issued New York New York City [Member] New York City. Summary of Components of Capital Schedule Of Partners Capital [Table Text Block] Tabular disclosure of changes in the separate accounts comprising partners' capital (in addition to retained earnings) and of the changes in the number of units of equity securities during at least the most recent annual fiscal period and any subsequent interim period presented is required to make the financial statements sufficiently informative if both financial position and results of operations are presented. Summary of Historical Cost and Redemption Values for the Non-Controlling Interests Redeemable Noncontrolling Interest [Table Text Block] 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. Fair value, credit facility (Level 2) Line of Credit Facility, Fair Value of Amount Outstanding Use of estimates 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 Interest expense Interest expense Interest Expense, Nonoperating Trading Arrangement: Trading Arrangement [Axis] Total Shareholder Return Amount Total Shareholder Return Amount Loss Contingencies Loss Contingencies [Line Items] Loss Contingencies [Line Items] Insider Trading Arrangements [Line Items] Security Exchange Name Security Exchange Name Net gain on insurance settlements Net gain on insurance settlements Gain on business interruption insurance recovery Gain on Business Interruption Insurance Recovery Cost of goods sold Product and Service, Other [Member] Total liabilities Liabilities Limited Partners' Capital Account [Line Items] Limited Partners' Capital Account [Line Items] The St. Regis Houston The St. Regis Houston [Member] The St. Regis Houston Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Issuance of common OP units to Host Inc. for comprehensive stock plans, net Partners' Capital Account, Unit-Based Payment Arrangement, Amount Share repurchase program, shares repurchased (in shares) Stock Repurchased During Period, Shares Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Property Insurance Property Insurance [Member] 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. HOST HOTELS & RESORTS L.P. Host Hotels Resorts Limited Partnership Subsidiaries [Member] Host hotels resorts limited partnership and subsidiaries. Shares issuable upon conversion of one common OP unit (in shares) 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 S 2026 Q2 Dividends S 2026 Q2 Dividends [Member] S 2026 Q2 Dividends Common Stock Common Stock [Member] Insurance proceeds received Loss Contingency, Total Insurance Proceeds Received Loss Contingency, Total Insurance Proceeds Received 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] 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