Accounting Policies [Abstract] Accounting Policies [Abstract] Accounts Payable And Accrued Liabilities Current And Noncurrent Accounts payable and accrued expenses Accumulated Depreciation Depletion And Amortization Property Plant And Equipment Less accumulated depreciation and amortization Accumulated Other Comprehensive Income Loss Net Of Tax Accumulated other comprehensive income Additional Paid In Capital Common Stock Additional paid-in capital Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract] Adjustments to reconcile to cash provided by operations: Allocated Share Based Compensation Expense Compensation expense Amendment Flag Amendment Flag Amortization Of Financing Costs And Discounts Amortization of finance costs, discounts and premiums, net Amounts Attributable to Noncontrolling Interest Of Outside Partnerships Amounts Attributable To Noncontrolling Interest Of Outside Partnerships Net income attributable to non-controlling interests outside partnerships Amounts attributable to outside partners of Host LP. Amounts Attributable To Outside Partners Net income attributable to outside partners of Host LP Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount Anti-dilutive shares which were not included in the computation of diluted EPS Anti-dilutive units which were not included in the computation of diluted earnings per unit Area of Land Sold Area Of Land Sold Acres of excess land sold Asian Joint Venture [Member] Asian Joint Venture [Member] Asia/Pacific Joint Venture Assets Total assets Assets [Abstract] ASSETS Atlanta Marriott Marquis [Member] Atlanta Marriott Marquis [Member] Atlanta Marriott Marquis A U Australia Award Type [Axis] Award Type [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Bangalore [Member] Bangalore [Member] Bangalore B E Belgium B R Brazil Buildings And Improvements Gross Buildings and leasehold improvements Business Acquisition Acquiree [Domain] Business Acquisition, Acquiree [Domain] Business Acquisition [Axis] Business Acquisition [Axis] C A Canada Carrying Reported Amount Fair Value Disclosure [Member] Carrying (Reported) Amount, Fair Value Disclosure Cash And Cash Equivalents At Carrying Value CASH AND CASH EQUIVALENTS, END OF PERIOD CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD Cash and cash equivalents Cash And Cash Equivalents Period Increase Decrease INCREASE IN CASH AND CASH EQUIVALENTS Cash Flow Hedging [Member] Cash Flow Hedging Cash Flow Supplemental Disclosures [Text Block] Supplemental Disclosure of Noncash Investing and Financing Activities C L Chile Commitments And Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Common Stock, Capital Shares Reserved for Future Issuance, Value Common Stock Capital Shares Reserved For Future Issuance Value Issuance capacity remaining under the current agreement Common Stock Dividends Per Share Declared Dividend per share, declared Common Stock Par Or Stated Value Per Share Common stock, par value Common Stock Shares Authorized Common stock, shares authorized Common Stock Shares Issued Common stock, shares issued Common Stock Shares Outstanding Common stock, shares outstanding Common Stock Value Common stock, par value $.01, 1,050 million shares authorized; 742.8 million and 724.6 million shares issued and outstanding, respectively Comprehensive Income Net Of Tax COMPREHENSIVE INCOME ATTRIBUTABLE TO THE REPORTING ENTITY Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest Less: Comprehensive income attributable to non-controlling interests Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest COMPREHENSIVE INCOME Construction In Progress Gross Construction in progress Contributions From Noncontrolling Interests Contributions from non-controlling interests Convertible Debt Senior notes Cost Of Other Property Operating Expense Other property-level expenses Costs And Expenses Total operating costs and expenses Costs And Expenses [Abstract] EXPENSES Credit Facility [Member] Credit Facility [Member] Credit Facility Currency, Australian Dollar [Member] Currency Australian Dollar [Member] Australian Dollars Currency, Canadian Dollar [Member] Currency Canadian Dollar [Member] Canadian Dollars Currency, Euro [Member] Currency Euro [Member] Euros Currency Type [Axis] Currency Type [Axis] Currency Type [Axis] Currency Type [Domain] Currency Type [Domain] Currency Type [Domain] Current Fiscal Year End Date Current Fiscal Year End Date Debt And Capital Lease Obligations Total debt Debt And Capital Lease Obligations [Abstract] Debt Debt Conversion Converted Instrument Amount 1 Exchangeable Debentures Value of debentures converted to equity Debt Conversion Converted Instrument Shares Issued 1 Debt converted into shares of Host Inc. common stock Debt Disclosure [Abstract] Debt Disclosure [Abstract] Debt Disclosure [Text Block] Debt Debt Instrument [Axis] Debt Instrument Debt Instrument Extension Period Debt Instrument Extension Period Debt instrument extension period Debt Instrument Face Amount Face amount of debt Debt Instrument Fair Value Financial liabilities Debt Instrument Interest Rate Stated Percentage Debt interest rate Debt Instrument [Line Items] Debt Instrument [Line Items] Debt Instrument Name [Domain] Debt Instrument, Name [Domain] Debt Instrument [Table] Schedule of Long-term Debt Instruments [Table] Deferred Compensation Arrangement With Individual Postretirement Benefits By Title Of Individual [Axis] Postretirement Benefits, by Title of Individual [Axis] Deferred Finance Costs Net Deferred financing costs, net Deferred Income Tax Expense Benefit Deferred income taxes Depreciation And Amortization Depreciation and amortization Depreciation And Amortization Discontinued Operations Depreciation Derivative Assets Derivative assets Derivative Average Variable Interest Rate All-in Rate Derivative Contract Type [Domain] Derivative Contract Type [Domain] Derivative Instrument Risk [Axis] Derivative Instrument Risk [Axis] Derivative Instruments Gain Loss By Hedging Relationship [Axis] Hedging Relationship [Axis] Derivative Liabilities Derivative liabilities Derivative [Line Items] Derivative [Line Items] Derivative, Maturity Month and Year Derivative Maturity Month And Year Maturity Date Derivative [Table] Derivative [Table] Description Of Types Of Interest Rate Cash Flow Hedging Instruments Used Swapped Index Discontinued Operation Gain Loss From Disposal Of Discontinued Operation Before Income Tax Gain on dispositions Discontinued Operation Gain Loss On Disposal Of Discontinued Operation Net Of Tax Gain on disposition Gain on sale Discontinued Operation Income Loss From Discontinued Operation Before Income Tax Income before income taxes Discontinued Operations And Disposal Groups [Abstract] Discontinued Operations and Disposal Groups [Abstract] Disposal Group Including Discontinued Operation Revenue Revenues Disposal Groups Including Discontinued Operations Disclosure [Text Block] Dispositions Disposal Groups Including Discontinued Operations Name [Domain] Disposal Groups, Including Discontinued Operations, Name [Domain] Distribution Made To Member Or Limited Partner Cash Distributions Declared Distributions declared on common OP units Distribution Made To Member Or Limited Partner Cash Distributions Paid Distributions on common OP units Distributions Per Limited Partnership Unit Outstanding Common OP units, distribution paid Dividend Payable Date To Be Paid Day Month And Year Dividend payable date Dividends Common Stock Dividends declared on common stock Dividends Payable Date Declared Day Month And Year Dividend declaration date Dividends Payable Date Of Record Day Month And Year Dividend record date Division Of Stock Issued [Axis] Division Of Stock Issued [Axis] Division Of Stock Issued [Axis] Division Of Stock Issued [Domain] Division Of Stock Issued [Domain] Division Of Stock Issued [Domain] Document Documentand Entity Information [Abstract] Document Documentand Entity Information [Abstract] Document Documentand Entity Information [Abstract] Document Fiscal Period Focus Document Fiscal Period Focus Document Fiscal Year Focus Document Fiscal Year Focus Document Information [Line Items] Document Information [Line Items] Document Period End Date Document Period End Date Document Type Document Type 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 Earnings Per Limited Partnership Unit [Abstract] Basic earnings (loss) per common unit: Earnings Per Share [Abstract] Earnings Per Share [Abstract] Earnings Per Share Basic Basic earnings (loss) per common share Basic earnings (loss) per common share/unit Basic earnings (loss) per common unit Earnings Per Share Basic [Abstract] Basic earnings (loss) per common share: Earnings Per Share Diluted Diluted earnings (loss) per common share Diluted earnings (loss) per common share/unit Diluted earnings (loss) per common unit Earnings Per Share Diluted [Abstract] Diluted earnings (loss) per common share: Earnings Per Share [Text Block] Earnings (Loss) Per Common Share (Unit) Employee Stock Option [Member] Employee Stock Option Entities [Table] Entities [Table] Entity Central Index Key Entity Central Index Key Entity Common Stock Shares Outstanding Entity Common Stock, Shares Outstanding Entity [Domain] Entity [Domain] Entity Filer Category Entity Filer Category Entity Registrant Name Entity Registrant Name Environmental Exit Costs Anticipated Cost Deferred for an environmental contingency Equity [Abstract] Equity [Abstract] Equity Component [Domain] Equity Component [Domain] Equity Issuance Per Share Amount Average price per share for stock issued Equity Method Investment Ownership Percentage Investment ownership percentage Profit or loss as represented on the statement of changes in equity. Equity Profit Loss Net income E S Spain Escrow Deposit Escrow reserve European Joint Venture [Member] European Joint Venture [Member] European Joint Venture Exchangeable Debentures [Member] Exchangeable Debentures [Member] Exchangeable Senior Debentures Exchangeable Senior Debentures 3.25 Percent [Member] Exchangeable Senior Debentures Three Point Two Five Percent [Member] Exchangeable Senior Debentures 3.25% Exchangeable 2004 Senior Debentures 3.25 Percent Due April 2024 [Member] Exchangeable Twenty Zero Four Senior Debentures Three Point Two Five Percent Due April Twenty Twenty Four [Member] Exchangeable 2004 Senior Debentures 3.25% Due April 2024 Executive Officer [Member] Executive Officer Extinguishment Of Debt Amount Repayment of senior notes Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Table [Text Block] Fair Value of Financial Assets and Liabilities Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value By Balance Sheet Grouping Disclosure Item Amounts [Axis] Fair Value, by Balance Sheet Grouping, Disclosure Item Amounts [Axis] Fair Value By Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Fair Value By Balance Sheet Grouping [Text Block] Fair Values of Certain Financial Liabilities and Other Financial Instruments Fair Value By Fair Value Hierarchy Level [Axis] Fair Value, Hierarchy [Axis] Fair Value By Measurement Frequency [Axis] Measurement Frequency [Axis] Fair Value Disclosure Item Amounts [Domain] Fair Value, Disclosure Item Amounts [Domain] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Fair Value Disclosures [Text Block] Fair Value Measurements Fair Value Inputs Level 1 [Member] Quoted Prices in Active Markets for Identical Assets (Level 1) Fair Value Inputs Level 2 [Member] Significant Other Observable Inputs (Level 2) Fair Value Inputs Level 3 [Member] Significant Unobservable Inputs (Level 3) Fair Value Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Fair Value, Measurement Inputs, Disclosure [Line Items] Fair Value Measurement Inputs Disclosure [Line Items] Fair Value, Measurement Inputs, Disclosure [Line Items] Fair Value, Measurement Inputs, Disclosure [Table] Fair Value Measurement Inputs Disclosure [Table] Fair Value, Measurement Inputs, Disclosure [Table] Fair Value Measurements Fair Value Hierarchy [Domain] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value Measurements Nonrecurring [Member] Fair Value, Measurements, Nonrecurring Fair Value Measurements Recurring [Member] Fair Value Measurements on a Recurring Basis Financial Instruments Financial Liabilities Balance Sheet Groupings [Abstract] Financial liabilities Financial Instruments Owned And Pledged As Collateral [Axis] Financial Instruments Owned and Pledged as Collateral by Type [Axis] Financial Instruments Owned And Pledged As Collateral Type [Domain] Financial Instruments Owned and Pledged as Collateral, Type [Domain] Finite Lived Partnership, Termination Date Finite Lived Partnership Termination Date Majority-owned partnerships with mandatorily redeemable non-controlling interests, termination year Fixtures And Equipment Gross Furniture and equipment Food And Beverage Cost Of Sales Food and beverage Food And Beverage Revenue Food and beverage Forward Contracts [Member] Forward currency sale contracts F R France Fund II [Member] Fund I I [Member] Fund II Fund I [Member] Fund I [Member] Fund I Gain Loss On Disposition Of Property Gain on sale of land Net gains on property transactions and other Net gain on property transactions and other Aggregate net gain/loss on all derivative contracts and foreign currency recognized in earnings during the period, before tax effects. Gain Loss On Foreign Currency And Derivative Contracts Gain (loss) on foreign currency transactions and derivatives (Gain) loss on foreign currency transactions and derivatives G B United Kingdom G E Germany General And Administrative Expense Corporate and other expenses General Partners Capital Account General partner Hedging Designation [Axis] Hedging Designation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Hedging Relationship [Domain] Hedging Relationship [Domain] Hhr New Zealand Holdings Limited [Member] Hhr New Zealand Holdings Limited [Member] HHR New Zealand Holdings Limited Hilton Melbourne South Wharf [Member] Hilton Melbourne South Wharf [Member] Hilton Melbourne South Wharf Historical Cost Historical Cost Historical cost Host Hotels Resorts LP [Member] Host Hotels Resorts Limited Partnership [Member] HOST HOTELS & RESORTS L.P. Impaired Hotel Properties Held And Used [Member] Impaired Hotel Properties Held And Used [Member] Impaired Hotel Properties Held And Used I N India Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest INCOME (LOSS) BEFORE INCOME TAXES Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest INCOME (LOSS) FROM CONTINUING OPERATIONS Income Loss From Continuing Operations Per Basic Share Continuing operations Income Loss From Continuing Operations Per Diluted Share Continuing operations Income Loss From Discontinued Operations Net Of Tax Income from discontinued operations, net of tax Income Loss From Discontinued Operations Net Of Tax [Abstract] Discontinued operations: Income Loss From Discontinued Operations Net Of Tax Per Basic Share Discontinued operations Income Loss From Discontinued Operations Net Of Tax Per Diluted Share Discontinued operations Income Loss From Equity Method Investments Equity in losses of affiliates Equity in losses of affiliates Income Statement [Abstract] Income Statement [Abstract] Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Axis] Disposal Group Name [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] Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Table] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Table] Income Taxes Paid Income taxes paid Income Tax Expense Benefit Benefit for income taxes Increase Decrease In Derivative Assets Fair value of swaps (decreased) increased 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 managers The net cash inflow (outflow) for furniture, fixtures and equipment reserves. Increase Decrease In Furniture Fixtures And Equipment Reserves Change in furniture, fixtures and equipment ("FF&E") replacement fund Increase Decrease In Other Operating Assets Changes in other assets Increase Decrease In Other Operating Liabilities Changes in other liabilities Individual [Member] Individual Counterparty Interest Expense Interest expense Interest Paid Interest paid Interest Rate Swap [Member] Interest rate swap derivatives Interest Rate Swap 1 [Member] Interest Rate Swap One [Member] Interest Rate Swap 1 Interest Rate Swap 2 [Member] Interest Rate Swap Two [Member] Interest Rate Swap 2 International Operations [Member] International Operations [Member] Australia, Brazil, Canada, Chile, Mexico and New Zealand Investment Income Interest Interest income Investments In Affiliates Subsidiaries Associates And Joint Ventures Advances to and investments in affiliates I T Italy Land Land and land improvements Land [Member] Excess Land Sold Legal Entity [Axis] Legal Entity [Axis] Legal Matters And Contingencies [Text Block] Legal Proceedings Liabilities Total liabilities Liabilities And Stockholders Equity Total liabilities, limited partnership interest of third parties and capital Liabilities And Stockholders Equity [Abstract] LIABILITIES, LIMITED PARTNERSHIP INTEREST OF THIRD PARTIES AND CAPITAL Limited Partner [Member] Limited Partner Limited Partners Capital Account Limited partner Limited Partners Capital Account By Class [Axis] Limited Partners' Capital Account by Class [Axis] Limited Partners Capital Account Class [Domain] Limited Partners' Capital Account, Class [Domain] Limited Partners Capital Account [Line Items] Limited Partners' Capital Account [Line Items] Limited Partnership Interests Of Third Parties [Member] Limited Partnership Interests Of Third Parties [Member] Limited Partnership Interests of Third Parties Line Of Credit Credit facility, including the $500 million term loan Line Of Credit Facility Amount Outstanding Balance Outstanding Draws on the line of credit Line Of Credit Facility Remaining Borrowing Capacity Remaining borrowing capacity Loans Payable Credit facility, term loan Loss Contingencies By Nature Of Contingency [Axis] Loss Contingency Nature [Axis] Loss Contingencies [Line Items] Loss Contingencies [Line Items] Loss Contingencies [Table] Loss Contingencies [Table] Loss Contingency Accrual At Carrying Value Loss contingency accrual Loss Contingency Estimate Of Possible Loss Damages awarded, accrual Loss Contingency Nature [Domain] Loss Contingency, Nature [Domain] Loss Contingency Range Of Possible Loss Maximum Maximum exposure of litigation Marriott [Member] Marriott [Member] Marriott Maximum [Member] Upper Limit Minimum [Member] Lower Limit Minority Interest Non-controlling interests - other consolidated partnerships Non-controlling interests in outside partnerships Minority Interest Disclosure [Text Block] Non-controlling Interests Minority Interest In Limited Partnerships Non-controlling interests - consolidated partnerships Minority Interest [Line Items] Noncontrolling Interest [Line Items] Minority Interest [Table] Noncontrolling Interest [Table] Mortgage Backed Securities Other [Member] Mortgage debt and other, net of capital leases Mortgage Loans Due Twenty Thirteen [Member] Mortgage Loans Due Twenty Thirteen [Member] Mortgage Loans Due April 20, 2013 M X Mexico Net Cash Provided By Used In Financing Activities Cash provided by financing activities Net Cash Provided By Used In Financing Activities [Abstract] FINANCING ACTIVITIES Net Cash Provided By Used In Investing Activities Cash provided by (used in) investing activities Net Cash Provided By Used In Investing Activities [Abstract] INVESTING ACTIVITIES Net Cash Provided By Used In Operating Activities Cash provided by operating activities Net Cash Provided By Used In Operating Activities [Abstract] OPERATING ACTIVITIES Net Income Loss Net income (loss) attributable to reporting entity NET INCOME (LOSS) ATTRIBUTABLE TO REPORTING ENTITY Net Income Loss Attributable To Noncontrolling Interest Less: Net income attributable to non-controlling interests Less: Net income attributable to non-controlling interests Net Income Loss Available To Common Stockholders Diluted Diluted income (loss) attributable to Host Inc. Net Income (Loss) Available to Common Stockholders, Unit Diluted Net Income Loss Available To Common Stockholders Unit Diluted Diluted income (loss) attributable to Host L.P. Net Income Loss Per Outstanding Limited Partnership Unit Diluted [Abstract] Diluted earnings (loss) per common unit: New Contract [Axis] New Contract [Axis] New Contract [Domain] New Contract [Domain] Newport Beach Marriott Hotel Spa [Member] Newport Beach Marriott Hotel Spa [Member] Newport Beach Marriott Hotel & Spa N L The Netherlands Noncontrolling Interest [Abstract] Noncontrolling Interest [Abstract] Noncontrolling Interest [Member] Non-controlling Interests of Consolidated Partnerships Nondesignated [Member] Not Designated as Hedging Instrument Notional Amount Of Foreign Currency Derivative Sale Contracts Transaction Amount Notional Amount Of Interest Rate Cash Flow Hedge Derivatives Notional Amount Notional Amount Of Interest Rate Derivatives Interest rate notional amount Number Of Condominium Unit Number Of Condominium Unit Luxury condominiums Number Of Countries In Which Entity Operates Foreign operations, number of countries Number Of Foreign Currency Derivatives Held Number of foreign currency forward contracts outstanding Number of Hotels Sold Number Of Hotels Sold Number of hotels sold Number Of Interest Rate Derivatives Held Number of interest rate derivative agreements Number Of Operating Segments Number of operating segments 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 Number of Partnerships Consolidated with Finite Lives Number Of Partnerships Consolidated With Finite Lives Number of majority-owned partnerships that have third-party, non-controlling ownership interests with finite lives Number Of Real Estate Properties Number of properties Hotels Number of hotels N Z New Zealand Occupancy Costs Rooms Occupancy Revenue Rooms Operating Income Loss OPERATING PROFIT Operating Partnership Units Conversion Rate Operating Partnership Units Conversion Rate Shares issuable upon conversion of one OP unit Organization Consolidation And Presentation Of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] 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 [Line Items] 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 [Table] Organization Consolidation And Presentation Of Financial Statements Disclosure [Text Block] Organization Orlando World Center Marriott [Member] Orlando World Center Marriott [Member] Orlando World Center Marriott Other Areas [Member] Other Areas [Member] Chennai and Delhi Other Assets Other Other Borrowings Other Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax Foreign currency translation and other comprehensive income (loss) of unconsolidated affiliates Gain (Loss) Other Comprehensive Income Loss Net Of Tax Other comprehensive income OTHER COMPREHENSIVE INCOME, NET OF TAX Other Comprehensive Income Loss Net Of Tax Period Increase Decrease [Abstract] OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX: Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax Change in Fair Value Gain (Loss) Change in fair value of derivative instruments Other Direct Costs Of Hotels Other departmental and support expenses Other Hotel Operating Revenue Other Other Income Other revenues Other Liabilities Other Other Litigation Cases [Member] Other Litigation Cases [Member] Other Litigation Cases Other Significant Noncash Transactions [Line Items] Other Significant Noncash Transactions [Line Items] Other Significant Noncash Transactions [Table] Other Significant Noncash Transactions [Table] Owned Property Management Costs Management fees Parent Company [Member] HOST HOTELS & RESORTS, INC. Parent [Member] Parent Partner Capital Components [Axis] Partner Capital Components [Axis] Partner Capital Components [Domain] Partner Capital Components [Domain] Partners Capital Total Host Hotels & Resorts, L.P. capital Partners Capital [Abstract] Host Hotels & Resorts, L.P. capital: Partners Capital Account Sale Of Units Issuance of common OP units Partners Capital Account Units Sale Of Units Common OP units issued, units Partners Capital Including Portion Attributable To Noncontrolling Interest Ending Balance Beginning Balance Total capital Partners Capital Other Other changes in ownership Partners Capital Redemption And Conversion Policies OP units conversion basis Payments For Capital Improvements Redevelopment and acquisition-related investments Payments For Construction In Process New development Payments Of Dividends Common Stock Dividends on common stock Payments Of Financing Costs Financing costs Payments To Acquire Interest In Subsidiaries And Affiliates Advances to and investments in affiliates Payments To Acquire Productive Assets Renewals and replacements Payments To Acquire Productive Assets [Abstract] Capital expenditures: Payments To Minority Shareholders Distributions to non-controlling interests Percentage of Ownership in Operating Partnership Units. Percentage Of Ownership Interests Percentage of the common OP Units Percentage of Real Estate Properties Managed Percentage Of Real Estate Properties Managed Percentage of properties managed P L Poland Plan Name [Axis] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] Portion At Fair Value Fair Value Disclosure [Member] Portion at Fair Value, Fair Value Disclosure Proceeds From Issuance Of Common Limited Partners Units Issuance of common OP units Proceeds From Issuance Of Common Stock Common stock issuance Issuance of common stock Proceeds From Issuance Of Debt Issuances of debt Proceeds From Issuance Of Senior Long Term Debt Proceed from issuance of note Proceeds From Lines Of Credit Draws on credit facility Proceeds From Repayments Of Restricted Cash Financing Activities Change in restricted cash for financing activities Proceeds From Sale Of Land Held For Use Proceeds from sale of land Proceeds From Sale Of Productive Assets Proceeds from sales of assets, net Profit Loss Net income NET INCOME Property Plant And Equipment [Abstract] Property, Plant and Equipment [Abstract] Property Plant And Equipment Disclosure [Text Block] Property and Equipment Property Plant And Equipment Fair Value Disclosure Property and equipment Property Plant And Equipment Gross Property, Plant and Equipment, Gross, Total Property Plant And Equipment [Line Items] Property, Plant and Equipment [Line Items] Property Plant And Equipment Net Property and equipment, net Property and equipment, net Property Plant And Equipment [Text Block] Property and Equipment Range [Axis] Range [Axis] Range [Member] Range [Domain] Range of Dates Foreign Currency Exchange Rate Derivatives Mature Range Of Dates Foreign Currency Exchange Rate Derivatives Mature Forward Purchase Date Range Range Of Derivative Transaction Dates. Range Of Derivative Transaction Date Transaction Date Transaction Date Range Reconciliation Of Other Significant Reconciling Items From Segments To Consolidated [Table] Reconciliation of Other Significant Reconciling Items from Segments to Consolidated [Table] Redeemable Noncontrolling Interest Equity Carrying Amount Non-controlling interests - Host Hotels & Resorts, L.P. Redeemable Noncontrolling Interest Equity Fair Value Non-controlling interests in outside partnerships, fair value Redeemable Noncontrolling Interest Table [Text Block] Historical Cost and Redemption Values for Non-Controlling Interests Disclosure of profit or loss, total assets for each reportable region, and a description of the types of products and services for each reportable region. Region Reporting Information By Region [Axis] Region Reporting Information, by Region [Axis] Related Party [Domain] Related Party [Domain] Related Party Transactions By Related Party [Axis] Related Party [Axis] Planned repayment of debt. Repayment Of Debt Planned repayment of debt Repayments Of Convertible Debt Debentures redeemed for cash Repayments Of Lines Of Credit Repayment on credit facility Repayment on credit facility Repayments Of Long Term Debt Scheduled principal repayments Repayments Of Secured Debt Repayment of mortgage loan Repayments Of Senior Debt Redemption price of Senior notes Repurchase/redemption of senior notes Replacement Reserve Escrow Furniture, fixtures and equipment replacement fund A regional component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. Reporting Region [Domain] Reporting Region [Domain] Restricted Cash And Cash Equivalents Restricted cash Restricted Stock [Member] Restricted Stock Retained Earnings Accumulated Deficit Deficit Revenue From Leased And Owned Hotels Owned hotel revenues Revenues Revenues Total revenues Revenues [Abstract] REVENUES Sale [Axis] Sale [Axis] Sale [Domain] Sale [Domain] Sales Agency, Financing Agreement Twenty Twelve [Member] Sales Agency Financing Agreement Twenty Twelve [Member] 2012 Sales Agency, Financing Agreement San Antonio Marriott Rivercenter [Member] San Antonio Marriott Rivercenter [Member] San Antonio Marriott Rivercenter Scenario Forecast [Member] Scenario, Forecast Scenario Unspecified [Domain] Scenario, Unspecified [Domain] Schedule Of Calculation Of Numerator And Denominator In Earnings Per Share Table [Text Block] Earnings (Loss) Per Common Share (Unit) Schedule Of Disposal Groups Including Discontinued Operations Income Statement Balance Sheet And Additional Disclosures [Text Block] Revenues, Income (Loss) Before Income Taxes and Gain on Dispositions in Discontinued Operations Schedule of Earnings Per Share, Basic and Diluted, by Common Class [Line Items] Schedule Of Earnings Per Share Basic And Diluted By Common Class [Line Items] Schedule of Earnings Per Share, Basic and Diluted, by Common Class [Line Items] Schedule of Earnings Per Share, Basic and Diluted, by Common Class [Table] Schedule Of Earnings Per Share Basic And Diluted By Common Class [Table] Schedule of Earnings Per Share, Basic and Diluted, by Common Class [Table] Schedule Of Foreign Exchange Contracts Statement Of Financial Position Table [Text Block] Foreign Currency Sale Contracts Schedule Of Interest Rate Derivatives Table [Text Block] Interest Rate Swap Derivatives Designated as Cash Flow Hedges Schedule Of Limited Partners Capital Account By Class [Table] Schedule of Limited Partners' Capital Account by Class [Table] Schedule Of Line Of Credit Facilities [Text Block] Draws on Credit Facility that are Designated as Net Investments in International Operations 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] Capital Allocation Between Controlling and Non-Controlling Interests Schedule Of Property Plant And Equipment [Table] Schedule of Property, Plant and Equipment [Table] Schedule Of Real Estate Properties Table [Text Block] Number of Hotels with Rooms, Primarily Consisting of Luxury and Upper Upscale, by Location Schedule Of Revenues From External Customers And Long Lived Assets By Geographical Areas Table [Text Block] Revenues and Long-Lived Assets by Geographical Area Schedule Of Segment Reporting Information By Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Schedule Of Shares Subject To Mandatory Redemption [Table] Schedule of Financial Instruments Subject to Mandatory Redemption [Table] Schedule Of Stockholders Equity Table [Text Block] Equity Allocation Between Controlling and Non-Controlling Interests Secured Debt Mortgage debt Mortgage loan Segment [Domain] Segment [Domain] Segment Geographical [Domain] Segment, Geographical [Domain] Segment Reporting [Abstract] Segment Reporting [Abstract] Segment Reporting Disclosure [Text Block] Geographic Information Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Segment Reporting Other Significant Reconciling Item [Line Items] Segment Reporting, Other Significant Reconciling Item [Line Items] Senior Notes Senior notes, including $359 million and $531 million, respectively, net of discount, of Exchangeable Senior Debentures Senior Notes [Member] Senior Notes Series D Senior Notes Three Point Seven Five Percent Due October Twenty Twenty Three [Member] Series D Senior Notes Three Point Seven Five Percent Due October Twenty Twenty Three [Member] Series D Senior Notes 3.75% Due October 2023 Series Q Senior Notes 6.75 Percent Due June 2016 [Member] Series Q Senior Notes Six Point Seven Five Percent Due June Twenty Sixteen [Member] Series Q Senior Notes 6.75% Due June 2016 Series T Senior Notes Nine Percent Due Twenty Seventeen [Member] Series T Senior Notes Nine Percent Due Twenty Seventeen [Member] Series T Senior Notes 9% Due 2017 Share Based Compensation Stock compensation expense Share Based Compensation Arrangement By Share Based Payment Award Description Payout comparison Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Shares - granted Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Stock options - granted Share Based Compensation Arrangement by Share based Payment Award, Vesting Percentage Share Based Compensation Arrangement By Share Based Payment Award Vesting Percentage Shares vesting percentage Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain] Award Type [Domain] Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price Stock options - granted exercise price Share Price Market price per Host Inc. common share Shares Subject To Mandatory Redemption By Settlement Terms [Line Items] Financial Instruments Subject to Mandatory Redemption by Settlement Terms [Line Items] Significant Accounting Policies [Text Block] Summary of Significant Accounting Policies Statement Business Segments [Axis] Business Segments [Axis] Statement Equity Components [Axis] Equity Components [Axis] Statement Geographical [Axis] Geographical [Axis] Statement [Line Items] Statement [Line Items] Statement Of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Statement Of Financial Position [Abstract] Statement of Financial Position [Abstract] Statement Of Income And Comprehensive Income [Abstract] Statement of Other Comprehensive Income [Abstract] Statement Scenario [Axis] Scenario [Axis] Statement [Table] Statement [Table] Stockholders Equity Total equity of Host Hotels & Resorts, Inc. stockholders Stockholders Equity [Abstract] Host Hotels & Resorts, Inc. stockholders' equity: Stockholders Equity Including Portion Attributable To Noncontrolling Interest Ending Balance Beginning Balance Total equity Stockholders Equity Note Disclosure [Text Block] Equity of Host Inc. and Capital of Host L.P. Stockholders Equity Note [Line Items] Stockholders Equity Note [Line Items] Stockholders Equity Note [Line Items] Stockholders Equity Note [Table] Stockholders Equity Note [Table] Stockholders Equity Note [Table] Stockholders Equity Other Other changes in ownership Stock Incentive Plan Twenty Thirteen [Member] Stock Incentive Plan Twenty Thirteen [Member] 2013 Plan Stock Issued During Period Shares Conversion Of Units Shares issued for converted units, shares Stock Issued During Period Shares New Issues Common stock issued, shares Stock Issued During Period Value Conversion Of Units Common operating partnership units, value Value of shares issued Stock Issued During Period Value New Issues Issuance of common stock Subsequent Event [Line Items] Subsequent Event [Line Items] Subsequent Event [Member] Subsequent Event Subsequent Events [Abstract] Subsequent Events [Abstract] Subsequent Events [Text Block] Subsequent Event Subsequent Event [Table] Subsequent Event [Table] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Supplemental Cash Flow Elements [Abstract] Supplemental Cash Flow Elements [Abstract] Supplemental Cash Flow Information [Abstract] Supplemental disclosure of cash flow information: Temporary Equity Carrying Amount Attributable To Noncontrolling Interest Book value Limited partnership interests of third parties Redeemable Noncontrolling Interests Temporary Equity [Member] Temporary Equity Redeemable Noncontrolling Interests [Member] Redeemable non-controlling interests Temporary Equity Redemption Value Redemption value Title Of Individual With Relationship To Entity [Domain] Title of Individual with Relationship to Entity [Domain] Trading Symbol Trading Symbol Translation Adjustment For Net Investment Hedge Increase Decrease Net Of Tax Change in Fair Value Gain (Loss) Units Of Partnership Interest Amount OP units outstanding U S United States Weighted Average Number Of Diluted Shares Outstanding Diluted weighted average shares outstanding Diluted weighted average units outstanding Weighted Average Number Of Shares Outstanding Basic Basic weighted average shares outstanding Basic weighted average units outstanding