CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
OPERATING ACTIVITIES
NET INCOME	$ 104us-gaap_ProfitLoss	$ 185us-gaap_ProfitLoss
Adjustments to reconcile to cash provided by operations:
Depreciation and amortization	175us-gaap_DepreciationAndAmortization	172us-gaap_DepreciationAndAmortization
Amortization of finance costs, discounts and premiums, net	6	6
Non-cash loss on extinguishment of debt		1
Stock compensation expense	5us-gaap_ShareBasedCompensation	4us-gaap_ShareBasedCompensation
Deferred income taxes	(13)us-gaap_DeferredIncomeTaxExpenseBenefit	(11)us-gaap_DeferredIncomeTaxExpenseBenefit
Gain on sale of assets	(4)us-gaap_GainLossOnDispositionOfAssets	(112)us-gaap_GainLossOnDispositionOfAssets
Loss on foreign currency transactions and derivatives	1
Equity in losses of affiliates	2	8
Change in due from managers	(75)hst_IncreaseDecreaseInDueFromManagers	(58)hst_IncreaseDecreaseInDueFromManagers
Distributions from equity investments	4
Changes in other assets	13	(6)
Changes in other liabilities	(45)	(18)
Cash provided by operating activities	173	171
INVESTING ACTIVITIES
Proceeds from sales of assets, net	33	274
Return of investment		25
Acquisitions		(73)
Advances to and investments in affiliates		(14)
Capital expenditures:
Renewals and replacements	(125)	(76)
Redevelopment and acquisition-related investments	(45)us-gaap_PaymentsForCapitalImprovements	(14)us-gaap_PaymentsForCapitalImprovements
Change in furniture, fixtures and equipment ("FF&E") replacement fund	(30)	12
Cash provided by (used in) investing activities	(167)	134
FINANCING ACTIVITIES
Repayment of credit facility		(225)us-gaap_RepaymentsOfLinesOfCredit
Repurchase/redemption of senior notes		(150)us-gaap_RepaymentsOfSeniorDebt
Mortgage debt and other prepayments and scheduled maturities		(301)us-gaap_RepaymentsOfSecuredDebt
Issuance of common stock	1	1
Dividends on common stock	(197)us-gaap_PaymentsOfDividendsCommonStock	(98)us-gaap_PaymentsOfDividendsCommonStock
Distributions to non-controlling interests	(2)us-gaap_PaymentsToMinorityShareholders	(1)us-gaap_PaymentsToMinorityShareholders
Change in restricted cash for financing activities		(1)
Cash used in financing activities	(198)	(775)
Effects of exchange rate changes on cash held	(7)	1
DECREASE IN CASH AND CASH EQUIVALENTS	(199)	(469)
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	684	861
CASH AND CASH EQUIVALENTS, END OF PERIOD	485	392
Supplemental disclosure of cash flow information:
Interest paid - periodic interest expense	44	48
Interest paid - debt extinguishments		2
Total interest paid	44us-gaap_InterestPaid	50us-gaap_InterestPaid
Income taxes paid	1us-gaap_IncomeTaxesPaid	8us-gaap_IncomeTaxesPaid
HOST HOTELS & RESORTS L.P.
OPERATING ACTIVITIES
NET INCOME	104	185
Adjustments to reconcile to cash provided by operations:
Depreciation and amortization	175	172
Amortization of finance costs, discounts and premiums, net	6	6
Non-cash loss on extinguishment of debt		1
Stock compensation expense	5	4
Deferred income taxes	(13)	(11)
Gain on sale of assets	(4)	(112)
Loss on foreign currency transactions and derivatives	1
Equity in losses of affiliates	2	8
Change in due from managers	(75)	(58)
Distributions from equity investments	4
Changes in other assets	13	(6)
Changes in other liabilities	(45)	(18)
Cash provided by operating activities	173	171
INVESTING ACTIVITIES
Proceeds from sales of assets, net	33	274
Return of investment		25
Acquisitions		(73)
Advances to and investments in affiliates		(14)
Capital expenditures:
Renewals and replacements	(125)	(76)
Redevelopment and acquisition-related investments	(45)	(14)
Change in furniture, fixtures and equipment ("FF&E") replacement fund	(30)	12
Cash provided by (used in) investing activities	(167)	134
FINANCING ACTIVITIES
Repayment of credit facility		(225)
Repurchase/redemption of senior notes		(150)
Mortgage debt and other prepayments and scheduled maturities		(301)
Proceeds from Issuance of Common Limited Partners Units	1	1
Distributions on common OP units	(199)	(99)
Change in restricted cash for financing activities		(1)
Cash used in financing activities	(198)	(775)
Effects of exchange rate changes on cash held	(7)	1
DECREASE IN CASH AND CASH EQUIVALENTS	(199)	(469)
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	684	861
CASH AND CASH EQUIVALENTS, END OF PERIOD	485	392
Supplemental disclosure of cash flow information:
Interest paid - periodic interest expense	44	48
Interest paid - debt extinguishments		2
Total interest paid	44	50
Income taxes paid	$ 1	$ 8

Debt instruments periodic payment interest.

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Gain loss on foreign currency and derivative contracts.

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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.

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The net cash inflow (outflow) for furniture, fixtures and equipment reserves.

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Amount of noncash expense included in interest expense to allocate debt discount and premium, and the costs to issue debt and obtain financing over the related debt instruments. Alternate captions include noncash interest expense.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Amount of cash distribution paid to unit-holder of limited partnership (LP).

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Amount of increase (decrease) from the effect of exchange rate changes on cash and cash equivalent balances held in foreign currencies.

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Amount of gain (loss) on sale or disposal of property, plant and equipment assets, excluding oil and gas property and timber property.

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This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

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The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.

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The increase (decrease) during the reporting period in other assets used in operating activities not separately disclosed in the statement of cash flows. May include changes in other current assets, other noncurrent assets, or a combination of other current and noncurrent assets.

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The amount of cash paid for interest during the period.

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The cash outflow for acquisition of or capital improvements to properties held for investment (operating, managed, leased) or for use.

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