CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
REVENUES
Revenues	$ 1,620	$ 5,469	$ 5,524
EXPENSES
Other property-level expenses	312	365	387
Depreciation and amortization	665	676	944
Corporate and other expenses	89	107	104
Gain on insurance and business interruption settlements		(5)	(7)
Total operating costs and expenses	2,573	4,670	4,994
OPERATING PROFIT (LOSS)	(953)	799	530
Interest income	8	32	15
Interest expense	(194)	(222)	(176)
Other gains/(losses)	208	340	902
Loss on foreign currency transactions and derivatives		(1)
Equity in earnings (losses) of affiliates	(30)	14	30
INCOME (LOSS) BEFORE INCOME TAXES	(961)	962	1,301
Benefit (provision) for income taxes	220	(30)	(150)
NET INCOME (LOSS)	(741)	932	1,151
Less: Net (income) loss attributable to non-controlling interests	9	(12)	(64)
NET INCOME (LOSS) ATTRIBUTABLE TO HOST HOTELS & RESORTS, INC.	$ (732)	$ 920	$ 1,087
Basic earnings (loss) per common share	$ (1.04)	$ 1.26	$ 1.47
Diluted earnings (loss) per common share	$ (1.04)	$ 1.26	$ 1.47
HOST HOTELS & RESORTS L.P.
REVENUES
Revenues	$ 1,620	$ 5,469	$ 5,524
EXPENSES
Other property-level expenses	312	365	387
Depreciation and amortization	665	676	944
Corporate and other expenses	89	107	104
Gain on insurance and business interruption settlements		(5)	(7)
Total operating costs and expenses	2,573	4,670	4,994
OPERATING PROFIT (LOSS)	(953)	799	530
Interest income	8	32	15
Interest expense	(194)	(222)	(176)
Other gains/(losses)	208	340	902
Loss on foreign currency transactions and derivatives		(1)
Equity in earnings (losses) of affiliates	(30)	14	30
INCOME (LOSS) BEFORE INCOME TAXES	(961)	962	1,301
Benefit (provision) for income taxes	220	(30)	(150)
NET INCOME (LOSS)	(741)	932	1,151
Less: Net (income) loss attributable to non-controlling interests	1	(2)	(52)
NET INCOME (LOSS) ATTRIBUTABLE TO HOST HOTELS & RESORTS, INC.	$ (740)	$ 930	$ 1,099
Basic earnings (loss) per common share	$ (1.06)	$ 1.29	$ 1.50
Diluted earnings (loss) per common share	$ (1.06)	$ 1.29	$ 1.50
Rooms
REVENUES
Revenues	$ 976	$ 3,431	$ 3,547
EXPENSES
Expenses	362	873	918
Rooms | HOST HOTELS & RESORTS L.P.
REVENUES
Revenues	976	3,431	3,547
EXPENSES
Expenses	362	873	918
Food and Beverage
REVENUES
Revenues	426	1,647	1,616
EXPENSES
Expenses	420	1,120	1,103
Food and Beverage | HOST HOTELS & RESORTS L.P.
REVENUES
Revenues	426	1,647	1,616
EXPENSES
Expenses	420	1,120	1,103
Other
REVENUES
Revenues	218	391	361
EXPENSES
Expenses	686	1,295	1,302
Other | HOST HOTELS & RESORTS L.P.
REVENUES
Revenues	218	391	361
EXPENSES
Expenses	686	1,295	1,302
Management Fees
EXPENSES
Expenses	39	239	243
Management Fees | HOST HOTELS & RESORTS L.P.
EXPENSES
Expenses	$ 39	$ 239	$ 243