CONSOLIDATED STATEMENTS OF CAPITAL - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
NET INCOME	$ 932	$ 1,151	$ 571
Change in fair value of derivative instruments	(1)	1	(14)
Amounts reclassified from other comprehensive income	$ 4	$ 13	$ 14
Redemptions of limited partner interests for common stock (shares)	0.2	0.7	0.3
Redemptions of limited partner interests for common stock	$ 2	$ 15	$ 6
HOST HOTELS & RESORTS L.P.
Beginning Balance	7,566	7,002	7,033
NET INCOME	922	1,139	564
Other changes in ownership	(10)	21	(4)
Foreign currency translation and other comprehensive income (loss) of unconsolidated affiliates		(12)	24
Change in fair value of derivative instruments	(1)	1	(14)
Amounts reclassified from other comprehensive income	4	13	14
Common OP unit issuances		3	9
Units issued to Host Inc. for the comprehensive stock and employee stock purchase plans	10	11	13
Distributions on common OP units	(617)	(630)	(628)
Redemptions of limited partner interests for common stock	2	15	6
Distributions to non-controlling interests	(69)	(1)	(15)
Cumulative effect of accounting change		4
Repurchase of common stock	(482)
Ending Balance	$ 7,325	$ 7,566	$ 7,002
HOST HOTELS & RESORTS L.P. | Limited Partner
Beginning Balance, units	724.8	723.5	722.2
Beginning Balance	$ 7,552	$ 7,032	$ 7,076
NET INCOME	920	1,087	564
Other changes in ownership	$ (11)	$ 30	$ (8)
Common OP unit issuances (units)		0.2	0.5
Common OP unit issuances		$ 3	$ 9
Units issued to Host Inc. for the comprehensive stock and employee stock purchase plans (units)	0.5	0.4	0.5
Units issued to Host Inc. for the comprehensive stock and employee stock purchase plans	$ 10	$ 11	$ 13
Distributions on common OP units	$ (617)	$ (630)	$ (628)
Redemptions of limited partner interests for common stock (shares)	0.2	0.7	0.3
Redemptions of limited partner interests for common stock	$ 2	$ 15	$ 6
Cumulative effect of accounting change		$ 4
Repurchase of common stock (shares)	(27.2)
Repurchase of common stock	$ (482)
Ending Balance, units	698.3	724.8	723.5
Ending Balance	$ 7,374	$ 7,552	$ 7,032
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	(59)	(60)	(83)
Foreign currency translation and other comprehensive income (loss) of unconsolidated affiliates		(13)	23
Change in fair value of derivative instruments	(1)	1	(14)
Amounts reclassified from other comprehensive income	4	13	14
Ending Balance	(56)	(59)	(60)
HOST HOTELS & RESORTS L.P. | Non-controlling Interests of Consolidated Partnerships
Beginning Balance	72	29	39
NET INCOME	2	52
Other changes in ownership	1	(9)	4
Foreign currency translation and other comprehensive income (loss) of unconsolidated affiliates		1	1
Distributions to non-controlling interests	(69)	(1)	15
Ending Balance	6	72	29
HOST HOTELS & RESORTS L.P. | Limited Partnership Interests Of Third Parties
Beginning Balance	128	167	165
NET INCOME	10	12	7
Other changes in ownership	13	(29)	8
Distributions on common OP units	(7)	(7)	(7)
Redemptions of limited partner interests for common stock	(2)	(15)	(6)
Ending Balance	$ 142	$ 128	$ 167