Redeemable Noncontrolling Interest, Equity, Carrying Amount, Total Redeemable Noncontrolling Interest, Equity, Carrying Amount Partnership interests Book value (millions) Entity Address, City or Town Entity Address, City or Town Stock Repurchased During Period, Value Repurchase of common stock Repurchase of common OP units Limited Partners' Capital Account [Line Items] Limited Partners Capital Account [Line Items] Fair Value Disclosures [Abstract] Kaanapali Golf Courses. Kaanapali Golf Courses [Member] Ka?anapali Golf Courses Earnings Per Share [Abstract] Fair Value, Inputs, Level 1 [Member] Quoted Prices in Active Markets for Identical Assets (Level 1) Level 1 Debt and Lease Obligation Total debt Issuance of common OP units Stock Issued During Period, Value, New Issues Common stock issuances Net Cash Provided by (Used in) Financing Activities [Abstract] FINANCING ACTIVITIES Credit facility, including the term loans of $998 and $997, respectively Long-term Line of Credit, Total Long-Term Line of Credit Credit facility Amendment Flag Amendment Flag Uninsured Risk Uninsured Risk [Member] Subsequent Event Type [Domain] Subsequent Event Type Operating Lease, Right-of-Use Asset Right-of-use assets Chicago Marriott Suites Downers Grove. Chicago Marriott Suites Downers Grove [Member] Chicago Marriott Suites Downers Grove Term loan. Term Loan [Member] Term Loan Disposal Group Name [Axis] Disposal Group Name Document Quarterly Report Document Quarterly Report Statement [Table] Statement [Table] Organization consolidation and presentation of financial statements disclosure. Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items] Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items] Business Acquisition [Axis] Business Acquisition Payments of Ordinary Dividends, Common Stock Dividends on common stock Partner Capital Components [Domain] Partner Capital Components Product and Service [Axis] Product and Service Chicago. Chicago [Member] Chicago Historical cost. Historical Cost Historical cost (millions) Construction in Progress, Gross Construction in progress Liabilities and Equity Total liabilities, non-controlling interests and equity Los Angeles orange county. Los Angeles Orange County [Member] Los Angeles/Orange County Reclassification, Comparability Adjustment [Policy Text Block] Reclassifications Redeemable Noncontrolling Interests Temporary Equity [Member] Temporary Equity Redeemable Noncontrolling Interests [Member] Redeemable, non-controlling interests General Partners' Capital Account, Total General Partners' Capital Account General partner Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax Foreign currency translation and other comprehensive income of unconsolidated affiliates Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Income Statement [Abstract] Non-US [Member] International Non-US Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Organization Sale of Stock [Domain] Sale of Stock Value of shares remaining under the current issuance program. Stock Issuance Remaining Capacity Stock issuance remaining capacity Redeemable Noncontrolling Interest [Table Text Block] Historical Cost and Redemption Values for the Non-Controlling Interests Schedule of Financial Instruments Subject to Mandatory Redemption [Table] Schedule Of Shares Subject To Mandatory Redemption [Table] Loss Contingency Nature [Axis] Loss Contingency Nature Less: Comprehensive income (loss) attributable to non-controlling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest, Total Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree 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. Interest Expense, Total Interest Expense Interest expense San Francisco/San Jose. San Francisco San Jose [Member] San Francisco/San Jose Name of Property [Axis] Name of Property Gain on Business Interruption Insurance Recovery Gain on insurance and business interruption settlements San Antonio. San Antonio [Member] San Antonio Partners' Capital Account, Distributions, Total Partners' Capital Account, Distributions Distributions declared on common OP units Florida Gulf Coast. Florida Gulf Coast [Member] Florida Gulf Coast Entity Small Business Entity Small Business YVE Hotel Miami. Y V E Hotel Miami [Member] YVE Hotel Miami Debt and Lease Obligation [Abstract] Debt Number of Reportable Segments Number of reportable segments Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Ending Balance Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Beginning Balance Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Total cash and cash equivalents and restricted cash shown in the statements of cash flows Florida FLORIDA Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block] Revenues and Long-Lived Assets by Geographical Area Net Income (Loss) Attributable to Nonredeemable Noncontrolling Interest, Total Net Income (Loss) Attributable to Nonredeemable Noncontrolling Interest Net income attributable to non-controlling interests Northern Virginia. Northern Virginia [Member] Northern Virginia Senior Notes, Total Senior Notes Senior notes Increase (Decrease) in Other Operating Liabilities, Total Increase (Decrease) in Other Operating Liabilities Changes in other liabilities Weighted Average Number of Shares Outstanding, Basic, Total Weighted Average Number of Shares Outstanding, Basic Basic weighted average shares outstanding Alila Ventana Big Sur [Member] Alila Ventana Big Sur [Member] Alila Ventana Big Sur [Member] City Area Code City Area Code DISTRICT OF COLUMBIA Washington, D.C. (Central Business District) Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Dispositions Liabilities Total liabilities Other Assets, Total Other Assets Other Document Period End Date Document Period End Date BRAZIL Brazil Food and Beverage [Member] Food and Beverage Proceeds from Insurance Settlement, Investing Activities Property insurance proceeds Four Seasons Resort Orlando. Four Seasons Resort Orlando [Member] Four Seasons Resort Orlando Limited Partners' Capital Account, Total Limited Partners' Capital Account Limited partner Statistical Measurement [Axis] Statistical Measurement COVID - 19. C O V I D19 [Member] COVID - 19 [Member] Limited partnership interests of third parties. Limited Partnership Interests Of Third Parties [Member] Limited partnership interests of third parties Jacksonville. Jacksonville [Member] Jacksonville Stockholders' Equity Attributable to Noncontrolling Interest, Ending Balance Stockholders' Equity Attributable to Noncontrolling Interest, Beginning Balance Stockholders' Equity Attributable to Noncontrolling Interest, Total Stockholders' Equity Attributable to Noncontrolling Interest Non-redeemable non-controlling interests—other consolidated partnerships Non-redeemable non-controlling interests - other consolidated partnerships Assets Total assets Noncontrolling Interest [Line Items] Minority Interest [Line Items] Number of Real Estate Properties Hotels Schedule of Real Estate Properties [Table Text Block] Consolidated Portfolio of Hotels by Location Loss contingency, inestimable loss Loss Contingency, Inestimable Loss Other US locations. Other U S Locations [Member] Other Costs and Expenses [Abstract] EXPENSES Diluted earnings (loss) per common share Earnings Per Share, Diluted, Total Earnings Per Share, Diluted Maui/Oahu. Maui Oahu [Member] Maui/Oahu Houston. Houston [Member] Houston Entity Address, Postal Zip Code Entity Address, Postal Zip Code Scheduled Principal Repayments Scheduled Principal Repayments Scheduled principal repayments Document Fiscal Period Focus Document Fiscal Period Focus Cost of Goods and Services Sold, Total Cost of Goods and Services Sold Expenses Revolving Credit Facility [Member] Revolving Credit Facility Common stock issuable upon conversion of one operating unit. Common Stock Issuable Upon Conversion Of One Operating Unit Shares issuable upon conversion of one common OP unit Shares issuable upon conversion of one OP unit Assuming distribution of common shares granted under the comprehensive stock plans, less shares assumed purchased at market Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Incremental Common Shares Attributable to Share-based Payment Arrangements, Total Operating Lease, Liability, Total Operating Lease, Liability Lease liabilities Net Cash Provided by (Used in) Financing Activities Net cash provided by (used in) financing activities Equity distribution program. Equity Distribution Program [Axis] Equity Distribution Program Occupancy [Member] Rooms Statement of Financial Position [Abstract] Sheraton New York Times Square Hotel. Sheraton New York Times Square Hotel [Member] Sheraton New York Times Square Hotel Entity File Number Entity File Number Scenario [Domain] Statement of Cash Flows [Abstract] Geographical [Domain] Geographical Cost of Other Property Operating Expense Other property-level expenses Statistical Measurement [Domain] Statistical Measurement Number of common shares that would be outstanding if partnership units were converted. Shares If Units Converted Number of common shares that would be outstanding if OP units were converted Legal Entity [Axis] Legal Entity Fair Value, by Balance Sheet Grouping [Table Text Block] Fair Values of Certain Financial Assets and Financial Liabilities Fair Value Disclosures [Text Block] Fair Value Measurements Significant accounting policies. Significant Accounting Policies [Line Items] Significant Accounting Policies [Line Items] Joint venture investment, value of shares issued Noncash or Part Noncash Acquisition Noncash Financial or Equity Instrument Consideration Value Shares Issued Noncash or part noncash acquisition noncash financial or equity instrument consideration value shares issued. Proceeds from Issuance of Common Stock Net proceeds Issuance of common stock Temporary Equity, Stock Issued During Period, Value, New Issues Issuance of common OP units Long-Term Debt, Type [Axis] Long-term Debt, Type Property, Plant and Equipment [Table Text Block] Property and Equipment Proceeds from (Payments for) Other Financing Activities Other financing activities Revenue from Contract with Customer [Text Block] Revenue Unusual Risk or Uncertainty, Nature [Axis] Unusual Risk or Uncertainty, Nature Units of Partnership Interest, Amount Common units outstanding Common OP units outstanding (millions) 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. Increase Decrease In Due From Managers Change in due from/to managers Leverage ratio, which is net debt-to-EBITDA as defined in credit facility covenants. Leverage Ratio Leverage ratio as calculated under the credit facility Loss Contingency, Nature [Domain] Loss Contingency, Nature Real Estate Properties [Line Items] Real Estate Properties [Line Items] Credit Facility [Domain] Credit Facility Asset acquisition and business combination. Asset Acquisition And Business Combination [Table] Asset Acquisition And Business Combination [Table] Diluted weighted average shares outstanding Weighted Average Number of Shares Outstanding, Diluted San Diego. San Diego [Member] San Diego Distribution Made to Limited Partner, Cash Distributions Paid Distributions on common OP units Distributions on common OP units Credit Facility [Axis] Credit Facility Gain on disposition of assets Gain (Loss) on Disposition of Assets Gain (Loss) on Disposition of Assets, Total Current Fiscal Year End Date Current Fiscal Year End Date Maximum allowable dividend per share covenant waiver period. Maximum Allowable Dividend Per Share Covenant Waiver Period Maximum allowable dividend per share covenant waiver period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations, Total Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations CASH AND CASH EQUIVALENTS AND RESTRICTED CASH, END OF PERIOD CASH AND CASH EQUIVALENTS AND RESTRICTED CASH, BEGINNING OF PERIOD Restricted Cash and Cash Equivalents, Total Restricted Cash and Cash Equivalents Restricted cash (included in other assets) Stock Repurchased During Period, Shares Share repurchase program, shares repurchased Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Ending Balance Beginning Balance Total equity Entity Address, Address Line One Entity Address, Address Line One Noncontrolling Interest [Member] Non-redeemable, non-controlling interests Non-controlling Interests Disposal Groups, Including Discontinued Operations [Table] Proceeds from Lines of Credit, Total Proceeds from Lines of Credit Draws on credit facility Supplemental Cash Flow Information [Abstract] Supplemental disclosure of cash flow information: Income Tax Expense (Benefit), Total Income Tax Expense (Benefit) Benefit for income taxes Senior Notes [Member] Senior Notes Disaggregation of Revenue [Abstract] Shares Subject To Mandatory Redemption By Settlement Terms [Line Items] Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items] Stock Issued During Period, Shares, New Issues Share issued Host hotels resorts limited partnership and subsidiaries. Host Hotels Resorts Limited Partnership Subsidiaries [Member] HOST HOTELS & RESORTS L.P. Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures, Total Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Issuance of common stock for comprehensive stock plans, net Number of properties closed Number of properties closed. Costs and Expenses Total operating costs and expenses Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV Equity [Abstract] Line of Credit Facility, Fair Value of Amount Outstanding Credit facility (Level 2), fair value Payments for Capital Improvements Return on investment Hotel, Other [Member] Other Stockholders equity note. Stockholders Equity Note [Table] Stockholders Equity Note [Table] OPERATING PROFIT (LOSS) Operating Income (Loss) 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. Schedule Of Partners Capital Table [Text Block] Components of Capital Additional Paid in Capital, Common Stock, Ending Balance Additional Paid in Capital, Common Stock, Beginning Balance Additional Paid in Capital, Common Stock Additional paid-in capital Redeemable Noncontrolling Interest, Equity, Redemption Value, Total Redeemable Noncontrolling Interest, Equity, Redemption Value Redemption value (millions) Scenario [Axis] Other litigation cases. Other Litigation Cases [Member] Other Litigation Cases Phoenix. Phoenix [Member] Phoenix Entity Filer Category Entity Filer Category Entity Current Reporting Status Entity Current Reporting Status New York City. New York City [Member] New York Asset Class [Domain] Line of Credit [Member] Line Of Credit [Member] Receivables, Net, Current, Total Receivables, Net, Current Notes receivable Stockholders' Equity Note Disclosure [Text Block] Equity of Host Inc. and Capital of Host L.P. Business Combinations [Abstract] Stockholders' Equity Attributable to Parent, Ending Balance Stockholders' Equity Attributable to Parent, Beginning Balance Stockholders' Equity Attributable to Parent Total equity of Host Hotels & Resorts, Inc. stockholders AOCI Attributable to Parent [Member] Accumulated Other Comprehensive Income (Loss) Asset Class [Axis] Entity Tax Identification Number Entity Tax Identification Number Common Stock, Value, Issued, Ending Balance Common Stock, Value, Issued, Beginning Balance Common Stock, Value, Issued, Total Common Stock, Value, Issued Common stock, par value $.01, 1,050 million shares authorized, 714.9 million shares and 714.1 million shares issued and outstanding, respectively Mortgage debt Secured Debt Secured Debt, Total Retained Earnings (Accumulated Deficit), Ending Balance Retained Earnings (Accumulated Deficit), Beginning Balance Retained Earnings (Accumulated Deficit), Total Retained Earnings (Accumulated Deficit) Deficit Payments to Acquire Commercial Real Estate Acquisitions Equity Components [Axis] Equity Components Mortgage and other debt Other Borrowings Number Of Properties Reopened Number Of Properties Reopened Consolidated Entities [Domain] Consolidated Entities Contingencies Contingencies Disclosure [Text Block] Disaggregation of Revenue [Table] Disaggregation Of Revenue [Table] Entity Emerging Growth Company Entity Emerging Growth Company CANADA Canada Partner Type [Axis] Partner Type Loss Contingency [Abstract] Depreciation, Depletion and Amortization, Nonproduction, Total Depreciation, Depletion and Amortization, Nonproduction Depreciation and amortization Document Transition Report Document Transition Report Net income loss Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest, Total Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest Legal Matters and Contingencies [Text Block] Legal Proceedings Schedule of Segment Reporting Information, by Segment [Table] Schedule Of Segment Reporting Information By Segment [Table] Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Continuing Operations Effects of exchange rate changes on cash held Accumulated Other Comprehensive Income (Loss), Net of Tax, Total Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive loss Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Other Comprehensive Income (Loss), Net of Tax Other comprehensive income/(loss) OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX Cash Flow, Supplemental Disclosures [Text Block] Supplemental Schedule of Noncash Investing and Financing Activities NET INCOME (LOSS) ATTRIBUTABLE TO HOST HOTELS & RESORTS, INC. Net income loss NET INCOME (LOSS) ATTRIBUTABLE TO HOST HOTELS & RESORTS, INC. Net Income (Loss) Attributable to Parent At-the-market offering. At The Market Offering [Member] At-the-Market Offering Payments to Acquire Other Productive Assets Renewals and replacements Additional Paid-in Capital [Member] Additional Paid-in Capital Repayment of Long-Term Debt, Long-Term Lease Obligation, and Capital Security, Total Repayment of Long-Term Debt, Long-Term Lease Obligation, and Capital Security Mortgage debt and other prepayments and scheduled maturities Document Information [Line Items] Document Information [Line Items] Entity Registrant Name Entity Registrant Name Cash and Cash Equivalents, at Carrying Value, Ending Balance Cash and Cash Equivalents, at Carrying Value, Beginning Balance Cash and Cash Equivalents, at Carrying Value, Total Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents Earnings Per Share [Text Block] Earnings (Loss) Per Common Share (Unit) Loss Contingency, Estimate of Possible Loss Loss contingency , estimate of possible loss Share-based Payment Arrangement, Noncash Expense, Total Share-Based Payment Arrangement, Noncash Expense Stock compensation expense Statement of Comprehensive Income [Abstract] Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] Earnings Per Share Diluted [Line Items] Property, Plant and Equipment, Net, Ending Balance Property, Plant and Equipment, Net, Beginning Balance Property, Plant and Equipment, Net Property and equipment, net Property and equipment, net Represents amount due to third party hotel managers, to fund property operating cash flow and working capital. Due To Managers Due to managers Statement [Line Items] Statement [Line Items] Title of 12(b) Security Title of 12(b) Security Proceeds from Equity Method Investment, Distribution Distributions from investments in affiliates Ownership [Domain] Ownership Common Stock [Member] Common Stock Net Cash Provided by (Used in) Operating Activities [Abstract] OPERATING ACTIVITIES Equity Component [Domain] Equity Component Parent Company [Member] HOST HOTELS & RESORTS, INC. Revenue from Contract with Customer, Excluding Assessed Tax, Total Revenue from Contract with Customer, Excluding Assessed Tax Revenues Total revenues INCOME (LOSS) BEFORE INCOME TAXES Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Address, State or Province Entity Address, State or Province Geographical [Axis] Geographical NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS AND RESTRICTED CASH Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest COMPREHENSIVE INCOME (LOSS) Document Type Document Type Interest Paid, Excluding Capitalized Interest, Operating Activities Total interest paid Fixtures and Equipment, Gross Furniture and equipment Total value of common stock issuable under sales agency agreement. Common Stock Issuable Aggregate Value Common stock issuable aggregate value Noncontrolling Interest Disclosure [Text Block] Non-Controlling Interests Financial Instruments Owned and Pledged as Collateral [Line Items] Financial Instruments Owned And Pledged As Collateral [Line Items] UNITED STATES United States Entity Shell Company Entity Shell Company The fee paid to third-party for the management of lodging real estate Fee Paid to Third-party for Management of Lodging Real Estate Management fees Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Payments of Financing Costs, Total Payments of Financing Costs Financing costs Four Seasons Resort and Residences Jackson Hole Four Seasons Resort And Residences Jackson Hole [Member] Four Seasons Resort and Residences Jackson Hole member. Loss Contingencies Loss Contingencies [Line Items] Loss Contingencies [Line Items] Security Exchange Name Security Exchange Name Revenue from Contract with Customer [Abstract] Significant Accounting Policies [Text Block] Summary of Significant Accounting Policies Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Other Comprehensive Income (Loss), Net of Tax [Abstract] OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX: Commitments and Contingencies Disclosure [Abstract] Receivable [Policy Text Block] Notes Receivable Noncontrolling Interest, Ownership Percentage by Parent Percentage of the common OP units Investment ownership percentage Common Stock, Shares, Outstanding, Ending Balance Common Stock, Shares, Outstanding, Beginning Balance Common Stock, Shares, Outstanding Common stock, shares outstanding Philadelphia. Philadelphia [Member] Philadelphia Level 2 Fair Value, Inputs, Level 2 [Member] Significant Other Observable Inputs (Level 2) Noncash or Part Noncash Divestiture, Amount of Consideration Received Notes receivable from sale of property Net Cash Provided by (Used in) Investing Activities [Abstract] INVESTING ACTIVITIES Common Stock, Shares, Issued, Total Common Stock, Shares, Issued Common stock, shares issued Noble Investment Group LLC Noble investment group LLC member. Stock issued during period value operating partnership unit. Stock Issued During Period Value Operating Partnership Unit Issuance of common OP units Minimum [Member] Minimum [Member] Significant accounting policies. Significant Accounting Policies [Table] Significant Accounting Policies [Table] Noncontrolling Interest in Limited Partnerships Non-controlling interests—consolidated partnerships Buildings and Improvements, Gross, Total Buildings and Improvements, Gross Buildings and leasehold improvements Insurance deductible amount Insurance deductible amount. Accounts Payable and Accrued Liabilities, Total Accounts Payable and Accrued Liabilities Accounts payable and accrued expenses Repayment of credit facility Repayments of Lines of Credit Number of partnerships consolidated. Number Of Partnerships Consolidated Number of majority-owned partnerships that have third-party, non-controlling ownership interests that have been consolidated Stockholders' Equity Attributable to Parent [Abstract] Host Hotels & Resorts, Inc. stockholders’ equity: Entity Address, Address Line Two Entity Address, Address Line Two Noncontrolling Interest [Table] Minority Interest [Table] Revenues [Abstract] REVENUES Partners' Capital, Other Changes in ownership and other Changes in ownership and other Subsequent Event Subsequent Event [Member] Loss Contingencies [Table] Loss Contingencies [Table] Stockholders equity note. Stockholders Equity Note [Line Items] Stockholders Equity Note [Line Items] Line of Credit Facility, Dividend Restrictions Line of credit facility dividend restrictions Entity Central Index Key Entity Central Index Key Orlando. Orlando [Member] Orlando Partners' Capital Account, Unit-Based Payment Arrangement, Amount Issuance of common OP units to Host Inc. for comprehensive stock plans, net Accounting Policies [Abstract] Changes in ownership and other Stockholders' Equity, Other Changes in ownership and other Disaggregation of Revenue [Line Items] Disaggregation Of Revenue [Line Items] Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Ending Balance Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Beginning Balance Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Total Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Less accumulated depreciation and amortization Phoenician Land Parcel Member. Phoenician Land Parcel [Member] Phoenician Land Parcel Organization consolidation and presentation of financial statements disclosure. Organization Consolidation And Presentation Of Financial Statements Disclosure [Table] Organization Consolidation And Presentation Of Financial Statements Disclosure [Table] Other gains (losses) Other Nonoperating Gains (Losses) Other gains Insured Event, Gain (Loss) Gain on property insurance settlement General and Administrative Expense, Total General and Administrative Expense Corporate and other expenses Amortization of Debt Issuance Costs and Discounts, Total Amortization of Debt Issuance Costs and Discounts Amortization of finance costs, discounts and premiums, net Sheraton Boston hotel. Sheraton Boston Hotel [Member] Sheraton Boston Hotel Organization, Consolidation and Presentation of Financial Statements [Abstract] Document Information [Table] Document Information [Table] Forecast [Member] General Partner [Member] General Partner Adjustments to reconcile net income (loss) to net cash provided by (used in) operations: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Retained Earnings [Member] Retained Earnings / (Deficit) Equity in earnings (losses) of affiliates Equity in earnings of affiliates Income (Loss) from Equity Method Investments, Total Income (Loss) from Equity Method Investments Segment Reporting [Abstract] Disposal Group, Not Discontinued Operation, Disposal Disclosures [Abstract] Proceeds from sales of assets, net Disposal Group, Including Discontinued Operation, Consideration Asset Acquisition [Line Items] Property, Plant and Equipment, Gross, Ending Balance Property, Plant and Equipment, Gross, Beginning Balance Property, Plant and Equipment, Gross Property, Plant and Equipment, Gross, Total Entity Interactive Data Current Entity Interactive Data Current Notes Receivable, Fair Value Disclosure Notes receivable (Level 2), fair value Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract] Financial assets Downtown Houston Hotel. Downtown Houston Hotel [Member] Downtown Houston Hotel [Member] Land and Land Improvements, Total Land and Land Improvements Land and land improvements Local Phone Number Local Phone Number Asset Acquisition, Consideration Transferred, Total Asset Acquisition, Consideration Transferred Acquisition purchase price Payments to Acquire Productive Assets [Abstract] Capital expenditures: Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Earnings (Loss) Per Common Share (Unit) Atlanta. Atlanta [Member] Atlanta Less: Net (income) loss attributable to non-controlling interests Net Income (Loss) Attributable to Noncontrolling Interest, Total Net Income (Loss) Attributable to Noncontrolling Interest Consolidated Entities [Axis] Consolidated Entities Disaggregation of Revenue [Table Text Block] Summary of Disaggregated Hotel Revenues by Market Location Partner Capital Components [Axis] Partner Capital Components Partners' Capital, Ending Balance Partners' Capital, Beginning Balance Partners' Capital Total Host Hotels & Resorts, L.P. capital Common OP unit issuances Partners' Capital Account, Sale of Units, Total Partners' Capital Account, Sale of Units Common OP unit issuances Property, Plant and Equipment [Abstract] Share Price Market price per Host Inc. common share Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures, Total Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Advances to and investments in affiliates Document Fiscal Year Focus Document Fiscal Year Focus Proceeds from Sale of Productive Assets, Total Proceeds from Sale of Productive Assets Proceeds from sales of assets, net Limited Partner [Member] Limited Partner Number of hotel suspend operations. Number Of Hotel Suspend Operations Number of hotels suspends operations Interest and Other Income, Total Interest and Other Income Interest income Basic earnings (loss) per common share Earnings Per Share, Basic, Total Earnings Per Share, Basic Cash dividend Common Stock, Dividends, Per Share, Declared Assets [Abstract] ASSETS Shares Issued, Price Per Share Average price per share Financial Instruments Owned and Pledged as Collateral [Table] Financial Instruments Owned And Pledged As Collateral [Table] Proceeds from Collection of Loans Receivable Proceeds from loan receivable Liabilities and Equity [Abstract] LIABILITIES, NON-CONTROLLING INTERESTS AND EQUITY Income tax refunds received Income taxes paid (refunds received) Income Taxes Paid, Net Income Taxes Paid, Net, Total NET INCOME (LOSS) NET INCOME (LOSS) Net income (loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Baker’s Cay Resort Key Largo, Curio Collection. Bakers Cay Resort Key Largo [Member] Bakers Cay Resort Key Largo [Member] Dividends, Common Stock, Total Dividends, Common Stock Dividends declared on common stock Partners' Capital, Redemption and Conversion Policies OP units conversion basis Segment Reporting Disclosure [Text Block] Geographic Information Noncontrolling Interest [Abstract] New Orleans. New Orleans [Member] New Orleans Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract] Financial liabilities Issuance of common OP units Proceeds from Issuance of Common Limited Partners Units Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV Supplemental Cash Flow Elements [Abstract] Noncash financial or equity instrument consideration, shares issued Noncash or Part Noncash Acquisition, Other Liabilities Assumed Advanced deposits received Boston. Boston [Member] Boston Distributions and payments to non-controlling interests Distributions And Payments To Non Controlling Interests Distributions and payments to non-controlling interests. Entity [Domain] Entity The entire disclosure relating to acquisitions, including both asset acquisitions and business combinations. Asset Acquisitions And Business Combinations Disclosure [Text Block] Acquisitions Partners' Capital, Including Portion Attributable to Noncontrolling Interest Ending Balance Beginning Balance Total capital Cash included in furniture, fixtures and equipment replacement fund Replacement reserve fund Replacement Reserve Escrow Cover [Abstract] Product and Service [Domain] Product and Service Schedule of Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Table] Schedule Of Earnings Per Share Diluted By Common Class [Table] Number of Units in Real Estate Property Number of rooms/apartment Host Limited Partnership Interest [Member] Host Limited Partnership Interest [Member] Host L.P. Disposal Group, Including Discontinued Operation, Assets Disposal Group, Including Discontinued Operation, Assets, Total Assets held for sale Disposal Group Name [Domain] Disposal Group Name Maximum [Member] Maximum Maximum Schedule of Real Estate Properties [Table] Schedule Of Real Estate Properties [Table] Number of Countries in which Entity Operates Foreign operations, number of countries Westfields Marriott Washington Dulles, San Ramon Marriott, The Westin Buckhead Atlanta, The Westin Los Angeles Airport and The Whitley Westfields Marriott Washington Dulles, San Ramon Marriott, The Westin Buckhead Atlanta, The Westin Los Angeles Airport and The Whitley [Member] Westfields Marriott Washington Dulles, San Ramon Marriott, The Westin Buckhead Atlanta, The Westin Los Angeles Airport and The Whitley [Member] Net Cash Provided by (Used in) Investing Activities Net cash used in investing activities Austin Austin [Member] Austin [Member] Partners' Capital [Abstract] Host Hotels & Resorts, L.P. capital: Miami. Miami [Member] Miami HOST HOTELS RESORTS LP [Member]. Host Hotels Resorts Lp [Member] HOST HOTELS & RESORTS L.P. Accounts and Financing Receivable, after Allowance for Credit Loss, Total Accounts and Financing Receivable, after Allowance for Credit Loss Notes receivable Stock Repurchase Program, Remaining Authorized Repurchase Amount Stock Repurchase Program, Authorized Amount Net income loss Noncontrolling Interest in Net Income (Loss) Operating Partnerships, Redeemable Cash investments in affiliates Payments to Acquire Interest in Subsidiaries and Affiliates, Total Payments to Acquire Interest in Subsidiaries and Affiliates Advances to and investments in affiliates Partner Type of Partners' Capital Account, Name [Domain] Partner Type of Partners' Capital Account, Name Common Stock, Shares Authorized Common stock, shares authorized Seattle. Seattle [Member] Seattle Trading Symbol Trading Symbol Ownership [Axis] Ownership Schedule of Stockholders Equity [Table Text Block] Components of Equity Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Mortgage Debt Mortgages [Member] Other Liabilities, Total Other Liabilities Other Subsequent Event Type [Axis] Subsequent Event Type Senior notes (Level 1) and (Level 2), fair value Notes Payable, Fair Value Disclosure Denver. Denver [Member] Denver Represents amount due from third party hotel managers, including owner's distribution of property operating cash flow and working capital. Due From Managers Due from managers Comprehensive Income (Loss), Net of Tax, Attributable to Parent COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO HOST HOTELS & RESORTS, INC. Schedule of Limited Partners' Capital Account by Class [Table] Schedule Of Limited Partners Capital Account By Class [Table] Increase (Decrease) in Other Operating Assets, Total Increase (Decrease) in Other Operating Assets Changes in other assets Name of Property [Domain] Name of Property Notes Receivable [Member] Notes Receivable Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Distributions to non-controlling interests Distributions to non-controlling interests Common Stock, Par or Stated Value Per Share Common stock, par value Management Service [Member] Management fees Partners' Capital Account, Units, Sale of Units, Total Partners' Capital Account, Units, Sale of Units Units issued Property, Plant and Equipment Disclosure [Text Block] Property and Equipment Unusual Risk or Uncertainty, Nature [Domain] Unusual Risk or Uncertainty, Nature Long-Term Debt, Type [Domain] Long-term Debt, Type Noncash Investing and Financing Items [Abstract] Noncash Investing And Financing Items [Abstract]