Supplemental Schedule of Noncash Investing and Financing Activities (Host Hotels & Resorts, Inc) - Additional Information (Detail) In Millions, unless otherwise specified	1 Months Ended		12 Months Ended				1 Months Ended					1 Months Ended			12 Months Ended			1 Months Ended
	Apr. 30, 2013 USD ($)	Nov. 09, 2012 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2012 USD ($)	Dec. 31, 2011 USD ($)	Jun. 28, 2011 Fund II	Mar. 17, 2011 Manchester Grand Hyatt San Diego Common Units USD ($)	Jun. 28, 2011 Le Meridien Piccadilly USD ($)	Jun. 28, 2011 Le Meridien Piccadilly GBP (£)	Apr. 29, 2011 Hilton Melbourne South Wharf USD ($)	Apr. 29, 2011 Hilton Melbourne South Wharf AUD	Mar. 31, 2013 Exchangeable Senior Debentures 3.25% USD ($)	Jun. 30, 2011 Exchangeable Senior Debentures 3.25% USD ($)	Nov. 09, 2012 Maui JV USD ($)	Dec. 31, 2012 Maui JV USD ($)	Dec. 31, 2013 Maui JV USD ($)	Nov. 09, 2012 Maui JV Hyatt Residential Group	Nov. 09, 2012 Maui JV Fair Value USD ($)
Other Significant Noncash Transactions [Line Items]
Shares issued for converted units, shares			0.3	0.6	0.3
Redemptions of limited partner interests for common stock			$ 6	$ 10	$ 5
Exchangeable Debentures												174	134
Debt interest rate												3.25%	3.25%
Debt converted into shares of Host Inc. common stock												11.7	8.8
Contributed land		36						102	64					11				36
Investment in joint venture			415	347										8	15	16
Investment ownership percentage						33.40%								67.00%	67.00%	67.00%
Gain on sale of the land	21		33	13	7										8
Equity method investment outside ownership percentage																	33.00%
Cash received on land contribution	24													12
Mortgage debt assumed								52	32
Capital lease transferred								61	38
Proceeds from transfer of Le Meridien Piccadilly to the Euro JV Fund II								40	25
Common voting interest acquired										75.00%	75.00%
Mortgage debt assumed in connection with acquisition										86	80
OP Units exchanged for ownership right, units							0.3
OP Units exchanged for ownership right, value							$ 6