CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) shares in Millions, $ in Millions	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
OPERATING ACTIVITIES
Net income (loss)	$ 494	$ (334)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operations:
Depreciation and amortization	498	597
Amortization of finance costs, discounts and premiums, net	8	7
Stock compensation expense	19	13
Other gains	(19)	(4)
Gain on property insurance settlement	(6)	0
Equity in earnings of affiliates	(3)	(36)
Change in due from/to managers	32	(78)
Distributions from investments in affiliates	23	4
Changes in other assets	7	(99)
Changes in other liabilities	3	8
Net cash provided by operating activities	1,056	78
INVESTING ACTIVITIES
Proceeds from sales of assets, net	233	8
Proceeds from loan receivable	0	9
Advances to and investments in affiliates	(59)	(9)
Acquisitions	0	(1,217)
Capital expenditures:
Renewals and replacements	(117)	(92)
Return on investment	(240)	(201)
Property insurance proceeds	11	0
Net cash used in investing activities	(172)	(1,502)
FINANCING ACTIVITIES
Financing costs	0	(3)
Repayment of credit facility	(683)	0
Mortgage debt and other prepayments and scheduled maturities	(1)	0
Issuance of common stock	1	138
Dividends on common stock	(65)	0
Distributions and payments to non-controlling interests	(2)	0
Other financing activities	(9)	(8)
Net cash provided by (used in) financing activities	(759)	127
Effects of exchange rate changes on cash held	(4)	0
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS AND RESTRICTED CASH	121	(1,297)
CASH AND CASH EQUIVALENTS AND RESTRICTED CASH, BEGINNING OF PERIOD	953	2,476
CASH AND CASH EQUIVALENTS AND RESTRICTED CASH, END OF PERIOD	1,074	1,179
Supplemental disclosure of cash flow information:
Cash and cash equivalents	883	1,038
Restricted cash (included in other assets)	4	3
Cash included in furniture, fixtures and equipment replacement fund	187	138
Total cash and cash equivalents and restricted cash shown in the statements of cash flows	1,074	1,179
Total interest paid	100	115
Income tax refunds received	(7)	(3)
HOST HOTELS & RESORTS L.P.
OPERATING ACTIVITIES
Net income (loss)	494	(334)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operations:
Depreciation and amortization	498	597
Amortization of finance costs, discounts and premiums, net	8	7
Stock compensation expense	19	13
Other gains	(19)	(4)
Gain on property insurance settlement	(6)	0
Equity in earnings of affiliates	(3)	(36)
Change in due from/to managers	32	(78)
Distributions from investments in affiliates	23	4
Changes in other assets	7	(99)
Changes in other liabilities	3	8
Net cash provided by operating activities	1,056	78
INVESTING ACTIVITIES
Proceeds from sales of assets, net	233	8
Proceeds from loan receivable	0	9
Advances to and investments in affiliates	(59)	(9)
Acquisitions	0	(1,217)
Capital expenditures:
Renewals and replacements	(117)	(92)
Return on investment	(240)	(201)
Property insurance proceeds	11	0
Net cash used in investing activities	(172)	(1,502)
FINANCING ACTIVITIES
Financing costs	0	(3)
Repayment of credit facility	(683)	0
Mortgage debt and other prepayments and scheduled maturities	(1)	0
Issuance of common OP units	1	138
Distributions on common OP units	(66)	0
Distributions and payments to non-controlling interests	(1)	0
Other financing activities	(9)	(8)
Net cash provided by (used in) financing activities	(759)	127
Effects of exchange rate changes on cash held	(4)	0
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS AND RESTRICTED CASH	121	(1,297)
CASH AND CASH EQUIVALENTS AND RESTRICTED CASH, BEGINNING OF PERIOD	953	2,476
CASH AND CASH EQUIVALENTS AND RESTRICTED CASH, END OF PERIOD	1,074	1,179
Supplemental disclosure of cash flow information:
Cash and cash equivalents	883	1,038
Restricted cash (included in other assets)	4	3
Cash included in furniture, fixtures and equipment replacement fund	187	138
Total cash and cash equivalents and restricted cash shown in the statements of cash flows	1,074	1,179
Total interest paid	100	115
Income tax refunds received	(7)	$ (3)
Four Seasons Resort Orlando
Noncash Investing And Financing Items [Abstract]
Advanced deposits received	24
Four Seasons Resort Orlando | HOST HOTELS & RESORTS L.P.
Noncash Investing And Financing Items [Abstract]
Advanced deposits received	$ 24
Host Hotels Resorts Lp [Member] | Noble Investment Group LLC
Noncash Investing And Financing Items [Abstract]
Noncash financial or equity instrument consideration, shares issued	3.2
Joint venture investment, value of shares issued	$ 56
Host Hotels Resorts Lp [Member] | HOST HOTELS & RESORTS L.P. | Noble Investment Group LLC
Noncash Investing And Financing Items [Abstract]
Noncash financial or equity instrument consideration, shares issued	3.2
Joint venture investment, value of shares issued	$ 56
Sheraton Boston Hotel [Member]
Noncash Investing And Financing Items [Abstract]
Notes receivable from sale of property	163
Sheraton Boston Hotel [Member] | HOST HOTELS & RESORTS L.P.
Noncash Investing And Financing Items [Abstract]
Notes receivable from sale of property	163
Sheraton New York Times Square Hotel
Noncash Investing And Financing Items [Abstract]
Notes receivable from sale of property	250
Sheraton New York Times Square Hotel | HOST HOTELS & RESORTS L.P.
Noncash Investing And Financing Items [Abstract]
Notes receivable from sale of property	$ 250