Capital Allocation between Controlling and Non-Controlling Interests (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Limited Partners Capital Account [Line Items]
Net income attributable to Host L.P.	$ 179	$ 56
Other comprehensive income	7	2
Host Hotels Resorts Limited Partnership
Limited Partners Capital Account [Line Items]
Beginning Balance	7,262
Net income attributable to Host L.P.	181	57
Net income	183
Issuance of common OP units	8
Distributions declared on common OP units	(106)
Distributions to non-controlling interests	0
Other changes in ownership	(5)
Other comprehensive income	7
Ending Balance	7,349
Host Hotels Resorts Limited Partnership | Parent
Limited Partners Capital Account [Line Items]
Beginning Balance	7,228
Net income attributable to Host L.P.	179
Issuance of common OP units	8
Distributions declared on common OP units	(106)
Distributions to non-controlling interests	0
Other changes in ownership	(5)
Other comprehensive income	7
Ending Balance	7,311
Host Hotels Resorts Limited Partnership | Non-controlling Interests of Consolidated Partnerships
Limited Partners Capital Account [Line Items]
Beginning Balance	34
Net income attributable to Host L.P.	4
Issuance of common OP units	0
Distributions declared on common OP units	0
Distributions to non-controlling interests	0
Other changes in ownership	0
Other comprehensive income	0
Ending Balance	38
Host Hotels Resorts Limited Partnership | Limited Partnership Interests Of Third Parties
Limited Partners Capital Account [Line Items]
Beginning Balance	190
Net income attributable to Host L.P.	2
Issuance of common OP units	0
Distributions declared on common OP units	(1)
Distributions to non-controlling interests	0
Other changes in ownership	5
Other comprehensive income	0
Ending Balance	$ 196