Capital Allocation between Controlling and Non-Controlling Interests (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Limited Partners Capital Account [Line Items]
Beginning Balance	$ 7,104
NET INCOME ATTRIBUTABLE TO REPORTING ENTITY	182	$ 98
Net income	2	1
Other comprehensive income	13	(37)
Ending Balance	7,061
HOST HOTELS & RESORTS L.P.
Limited Partners Capital Account [Line Items]
Beginning Balance	7,104
NET INCOME ATTRIBUTABLE TO REPORTING ENTITY	184	99
Net income	182
Issuance of common OP units	4
Repurchase of common stock /OP units	(81)
Distributions declared on common OP units	(149)
Other changes in ownership	(12)
Other comprehensive income	13	$ (37)
Ending Balance	7,061
HOST HOTELS & RESORTS L.P. | Parent
Limited Partners Capital Account [Line Items]
Beginning Balance	7,064
NET INCOME ATTRIBUTABLE TO REPORTING ENTITY	182
Issuance of common OP units	4
Repurchase of common stock /OP units	(81)
Distributions declared on common OP units	(149)
Other changes in ownership	(13)
Other comprehensive income	13
Ending Balance	7,020
HOST HOTELS & RESORTS L.P. | Non-controlling Interests
Limited Partners Capital Account [Line Items]
Beginning Balance	40
Other changes in ownership	1
Ending Balance	41
HOST HOTELS & RESORTS L.P. | Limited Partnership Interests Of Third Parties
Limited Partners Capital Account [Line Items]
Beginning Balance	143
Net income	2
Distributions declared on common OP units	(1)
Other changes in ownership	12
Ending Balance	$ 156