CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
NET LOSS	$ (120)	$ (316)	$ (334)	$ (675)
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX:
Foreign currency translation and other comprehensive income of unconsolidated affiliates	(5)	(5)	(1)	(24)
Change in fair value of derivative instruments	1			1
OTHER COMPREHENSIVE LOSS, NET OF TAX	(4)	(5)	(1)	(23)
COMPREHENSIVE LOSS	(124)	(321)	(335)	(698)
Less: Comprehensive income (loss) attributable to non-controlling interests	1	3	3	7
COMPREHENSIVE LOSS ATTRIBUTABLE TO HOST HOTELS & RESORTS, INC.	(123)	(318)	(332)	(691)
HOST HOTELS & RESORTS L.P.
NET LOSS	(120)	(316)	(334)	(675)
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX:
Foreign currency translation and other comprehensive income of unconsolidated affiliates	(5)	(5)	(1)	(24)
Change in fair value of derivative instruments	1			1
OTHER COMPREHENSIVE LOSS, NET OF TAX	(4)	(5)	(1)	(23)
COMPREHENSIVE LOSS	(124)	(321)	(335)	(698)
Less: Comprehensive income (loss) attributable to non-controlling interests	(1)	(1)	(1)
COMPREHENSIVE LOSS ATTRIBUTABLE TO HOST HOTELS & RESORTS, INC.	$ (125)	$ (322)	$ (336)	$ (698)