CONSOLIDATED STATEMENTS OF CAPITAL - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Net income (loss)	$ 643	$ (11)	$ (741)
Change in fair value of derivative instruments	2	0	(1)
Amounts reclassified from other comprehensive income (loss)	$ 1	$ 0	$ 1
Common OP unit issuances (units)	0
Redemptions of limited partner interests for common stock (shares)	300,000	100,000	200,000
Redemptions of limited partner interests for common stock	$ 5	$ 2	$ 3
HOST HOTELS & RESORTS L.P.
Beginning Balance	6,446	6,326	7,325
Net income (loss)	634	(10)	(733)
Other changes in ownership	16	(22)	22
Foreign currency translation and other comprehensive income (loss) of unconsolidated affiliates	(2)	(2)	(18)
Change in fair value of derivative instruments	2		(1)
Amounts reclassified from other comprehensive income (loss)	1		1
Common OP unit issuances		138
Units issued to Host Inc. for the comprehensive stock and employee stock purchase plans	21	14	15
Distributions on common OP units	(380)		(141)
Redemptions of limited partner interests for common stock	5	2	3
Distributions to non-controlling interests	(1)
Repurchase of common stock	(27)		(147)
Ending Balance	$ 6,715	$ 6,446	$ 6,326
HOST HOTELS & RESORTS L.P. | Limited Partner
Beginning Balance, units	699,000,000.0	690,500,000	698,300,000
Beginning Balance	$ 6,516	$ 6,394	$ 7,374
Net income (loss)	633	(11)	(732)
Other changes in ownership	$ 16	$ (21)	$ 22
Common OP unit issuances (units)		7,600,000
Common OP unit issuances		$ 138
Units issued to Host Inc. for the comprehensive stock and employee stock purchase plans (units)	700,000	800,000	700,000
Units issued to Host Inc. for the comprehensive stock and employee stock purchase plans	$ 21	$ 14	$ 15
Distributions on common OP units	$ (380)		$ (141)
Redemptions of limited partner interests for common stock (shares)	300,000	100,000	200,000
Redemptions of limited partner interests for common stock	$ 5	$ 2	$ 3
Repurchase of common stock (shares)	(1,600,000)		(8,700,000)
Repurchase of common stock	$ (27)		$ (147)
Ending Balance, units	698,400,000	699,000,000.0	690,500,000
Ending Balance	$ 6,784	$ 6,516	$ 6,394
HOST HOTELS & RESORTS L.P. | General Partner
Beginning Balance	1	1	1
Ending Balance	1	1	1
HOST HOTELS & RESORTS L.P. | Accumulated Other Comprehensive Income (Loss)
Beginning Balance	(76)	(74)	(56)
Foreign currency translation and other comprehensive income (loss) of unconsolidated affiliates	(2)	(2)	(18)
Change in fair value of derivative instruments	2		(1)
Amounts reclassified from other comprehensive income (loss)	1		1
Ending Balance	(75)	(76)	(74)
HOST HOTELS & RESORTS L.P. | Non-controlling Interests of Consolidated Partnerships
Beginning Balance	5	5	6
Net income (loss)	1	1	(1)
Other changes in ownership		(1)
Distributions to non-controlling interests	(1)
Ending Balance	5	5	5
HOST HOTELS & RESORTS L.P. | Limited Partnership Interests Of Third Parties
Beginning Balance	126	108	142
Net income (loss)	9	(1)	(8)
Other changes in ownership	(17)	21	(21)
Common OP unit issuances	56
Distributions on common OP units	(5)		(2)
Redemptions of limited partner interests for common stock	(5)	(2)	(3)
Ending Balance	$ 164	$ 126	$ 108