Host LP Earnings (Loss) Per Common Unit (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended																12 Months Ended
	Dec. 31, 2013		Sep. 30, 2013		Jun. 30, 2013		Mar. 31, 2013		Dec. 31, 2012		Sep. 30, 2012		Jun. 30, 2012		Mar. 31, 2012		Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Schedule Of Earnings Per Share Basic And Diluted By Common Class [Line Items]
NET INCOME (LOSS)																	$ 325		$ 63		$ (16)
Less: Net (income) loss attributable to non-controlling interests																	(8)		(2)		1
Net income (loss) attributable to Host L.P.																	317		61		(15)
Basic weighted average shares outstanding																	744.4		718.2		693.0
Diluted weighted average shares outstanding																	747.9	[1]	719.6	[1]	693.0	[1]
Basic earnings (loss) per common share																	$ 0.43		$ 0.08		$ (0.02)
Diluted earnings (loss) per common share																	$ 0.42		$ 0.08		$ (0.02)
HOST HOTELS & RESORTS L.P. AND SUBSIDIARIES
Schedule Of Earnings Per Share Basic And Diluted By Common Class [Line Items]
NET INCOME (LOSS)																	325		63		(16)
Less: Net (income) loss attributable to non-controlling interests																	(4)		(1)		1
Net income (loss) attributable to Host L.P.	125	[2]	19	[2]	120	[2]	57	[2]	16	[2]	(35)	[2]	83	[2]	(2)	[2]	321		62		(15)
Diluted income (loss) attributable to Host L.P.																	$ 322		$ 62		$ (15)
Basic weighted average shares outstanding																	738.4		713.3		688.9
Diluted weighted average shares outstanding																	741.9	[3]	714.6	[3]	688.9	[3]
Basic earnings (loss) per common share	$ 0.17	[2]	$ 0.03	[2]	$ 0.16	[2]	$ 0.08	[2]	$ 0.02	[2]	$ (0.05)	[2]	$ 0.12	[2]			$ 0.43		$ 0.09		$ (0.02)
Diluted earnings (loss) per common share	$ 0.17	[2]	$ 0.03	[2]	$ 0.16	[2]	$ 0.08	[2]	$ 0.02	[2]	$ (0.05)	[2]	$ 0.12	[2]			$ 0.43		$ 0.09		$ (0.02)

[1] There are 30 million, 40 million and 47 million potentially dilutive shares for our exchangeable senior debentures and shares granted under comprehensive stock plans which were not included in the computation of diluted EPS as of December 31, 2013, 2012 and 2011, respectively, because to do so would have been anti-dilutive for the period.

[2] Other income statement line items not presented for Host L.P. are equal to the amounts presented for Host Inc.

[3] There are 29 million, 40 million and 46 million potentially dilutive units for our exchangeable senior debentures and for units distributable to Host Inc. for Host Inc. shares granted under comprehensive stock plans which were not included in the computation of diluted earnings per unit as of December 31, 2013, 2012 and 2011, respectively, because to do so would have been anti-dilutive for the period.