Summary of Significant Accounting Policies - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended																12 Months Ended
	Dec. 31, 2013 Property Contract Entity Hotel	Dec. 31, 2012 Property	Dec. 31, 2011	Dec. 31, 2013 Property, Plant and Equipment, Other Types	Dec. 31, 2013 Lower Limit	Dec. 31, 2013 Upper Limit	Jun. 28, 2011 Fund II	Dec. 31, 2013 European Joint Venture Hotel	Dec. 31, 2013 European Joint Venture Fund I Hotel	Dec. 31, 2013 European Joint Venture Fund II Hotel	Dec. 31, 2013 Asia/Pacific Joint Venture	Dec. 31, 2013 Asia/Pacific Joint Venture India Hotel	Dec. 31, 2013 Asia/Pacific Joint Venture India Bangalore Hotel	Dec. 31, 2013 Asia/Pacific Joint Venture India Chennai and Delhi Hotel	Dec. 31, 2013 Asia/Pacific Joint Venture Citigate Perth Room	Dec. 31, 2013 HOST HOTELS & RESORTS, INC.	Dec. 31, 2013 HOST HOTELS & RESORTS L.P. AND SUBSIDIARIES	Jun. 28, 2011 HOST HOTELS & RESORTS L.P. AND SUBSIDIARIES Fund II
Significant Accounting Policies [Line Items]
Percentage of the common OP Units																98.70%
Investment ownership percentage							33.40%		32.10%	33.40%	25.00%							33.40%
Number of hotels	115							19	11	8		7	2	5
Number of rooms															278
Percentage of property revenue allocated for renewal and replacement capital expenditures	5.00%
Impairment charges	$ 1	$ 60
Number of impaired assets	1	1
Number of majority-owned partnerships that have third-party, non-controlling ownership interests that have been consolidated	5
Non-controlling interests—other consolidated partnerships	34	34
Number of majority-owned partnerships that have third-party, non-controlling ownership interests with finite lives	2
Majority-owned partnerships with mandatorily redeemable non-controlling interests, termination year					2081	2095
Non-controlling interests in outside partnerships, fair value	68	65
Net (income) loss attributable to non-controlling interests outside partnerships	4	1	(1)
OP units conversion basis																	One OP unit may be exchanged for 1.021494 shares of Host Inc. common stock) valued at the market price of Host Inc.
Net (income) loss attributable to outside partners of Host LP	4.0	1.0	(0.2)
Percentage greater than threshold of income tax examination minimum likelihood of tax benefits being realized upon settlement	50.00%
Net gain related to two foreign currency denominated subsidiaries that were substantially liquidated	2
Stock-based employee compensation plans	2
Exposure risk related for derivative contracts	4	14
Amount of borrowing capacity currently available under the credit facility	554
Repayment of credit facility in subsequent to year-end	$ 779
Estimated useful lives				3 years