Equity of Host Inc. and Capital of Host L.P. - Additional Information (Detail) (USD $)	3 Months Ended	6 Months Ended	1 Months Ended	6 Months Ended
	Jun. 30, 2014 HOST HOTELS & RESORTS, INC.	Jun. 30, 2014 HOST HOTELS & RESORTS, INC.	Jul. 31, 2014 HOST HOTELS & RESORTS, INC. Subsequent Event	Jun. 30, 2014 HOST HOTELS & RESORTS L.P.	Dec. 31, 2013 HOST HOTELS & RESORTS L.P.
Stockholders Equity Note [Line Items]
Percentage of the common OP Units	99.00%	99.00%
Shares issuable upon conversion of one OP unit				1.021494	1.021494
Dividend declaration date		May 14, 2014	Jul. 31, 2014
Dividend per share, declared	$ 0.15		$ 0.20
Dividend payable date		Jul. 15, 2014	Oct. 15, 2014
Dividend record date		Jun. 30, 2014	Sep. 30, 2014
Common OP units, distribution paid				$ 0.1532241