Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Millions, except Per Share data, unless otherwise specified	Sep. 07, 2012	Dec. 31, 2011
HOST HOTELS & RESORTS, INC.
Senior notes	$ 528	$ 902
Credit facility, term loan	500
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	1,050	1,050
Common stock, shares issued	723.0	705.1
Common stock, shares outstanding	723.0	705.1
HOST HOTELS & RESORTS L.P.
Senior notes	528	902
Credit facility, term loan	$ 500