CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
NET LOSS	$ (153)	$ (3)
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX:
Foreign currency translation and other comprehensive income of unconsolidated affiliates	(2)	(19)
Change in fair value of derivative instruments	(1)	3
OTHER COMPREHENSIVE LOSS, NET OF TAX	(3)	(16)
COMPREHENSIVE LOSS	(156)	(19)
Less: Comprehensive loss attributable to non-controlling interests	1
COMPREHENSIVE LOSS ATTRIBUTABLE TO HOST HOTELS & RESORTS, INC.	(155)	(19)
HOST HOTELS & RESORTS L.P.
NET LOSS	(153)	(3)
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX:
Foreign currency translation and other comprehensive income of unconsolidated affiliates	(2)	(19)
Change in fair value of derivative instruments	(1)	3
OTHER COMPREHENSIVE LOSS, NET OF TAX	(3)	(16)
COMPREHENSIVE LOSS	(156)	(19)
COMPREHENSIVE LOSS ATTRIBUTABLE TO HOST HOTELS & RESORTS, INC.	$ (156)	$ (19)