CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) shares in Millions, $ in Millions	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
OPERATING ACTIVITIES
Net income	$ 505	$ 378
Adjustments to reconcile net income (loss) to net cash provided by (used in) operations:
Depreciation and amortization	337	334
Amortization of finance costs, discounts and premiums, net	5	5
Loss on extinguishment of debt	4	0
Stock compensation expense	13	10
Other gains	(69)	(14)
Gain on property insurance settlement	0	(6)
Equity in earnings of affiliates	(11)	(4)
Change in due from/to managers	3	(53)
Distributions from investments in affiliates	18	20
Property insurance proceeds - remediation costs	83	0
Changes in other assets	16	(43)
Changes in other liabilities	(84)	(5)
Net cash provided by operating activities	820	708
INVESTING ACTIVITIES
Proceeds from sales of assets, net	34	217
Advances to and investments in affiliates	(20)	(44)
Capital expenditures:
Renewals and replacements	(226)	(78)
Return on investment	(97)	(162)
Property insurance proceeds	34	7
Net cash used in investing activities	(275)	(60)
FINANCING ACTIVITIES
Financing costs	(10)	0
Repayment of credit facility	0	(683)
Mortgage debt and other prepayments and scheduled maturities	(1)	(1)
Debt extinguishment costs	(3)	0
Common stock repurchases	(50)	0
Dividends on common stock	(313)	(21)
Distributions and payments to non-controlling interests	(6)	0
Other financing activities	(13)	(10)
Net cash used in financing activities	(396)	(715)
Effects of exchange rate changes on cash held	2	(1)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS AND RESTRICTED CASH	151	(68)
CASH AND CASH EQUIVALENTS AND RESTRICTED CASH, BEGINNING OF PERIOD	874	953
CASH AND CASH EQUIVALENTS AND RESTRICTED CASH, END OF PERIOD	1,025	885
Supplemental disclosure of cash flow information:
Cash and cash equivalents	802	699
Restricted cash (included in other assets)	10	7
Cash included in furniture, fixtures and equipment replacement fund	213	179
Total cash and cash equivalents and restricted cash shown in the statements of cash flows	1,025	885
Total interest paid	90	69
Income taxes paid (refunds received)	2	(7)
HOST HOTELS & RESORTS L.P.
OPERATING ACTIVITIES
Net income	505	378
Adjustments to reconcile net income (loss) to net cash provided by (used in) operations:
Depreciation and amortization	337	334
Amortization of finance costs, discounts and premiums, net	5	5
Loss on extinguishment of debt	4	0
Stock compensation expense	13	10
Other gains	(69)	(14)
Gain on property insurance settlement	0	(6)
Equity in earnings of affiliates	(11)	(4)
Change in due from/to managers	3	(53)
Distributions from investments in affiliates	18	20
Property insurance proceeds - remediation costs	83	0
Changes in other assets	16	43
Changes in other liabilities	(84)	(5)
Net cash provided by operating activities	820	708
INVESTING ACTIVITIES
Proceeds from sales of assets, net	34	217
Advances to and investments in affiliates	(20)	(44)
Capital expenditures:
Renewals and replacements	(226)	(78)
Return on investment	(97)	(162)
Property insurance proceeds	34	7
Net cash used in investing activities	(275)	(60)
FINANCING ACTIVITIES
Financing costs	(10)	0
Repayment of credit facility	0	(683)
Mortgage debt and other prepayments and scheduled maturities	(1)	(1)
Debt extinguishment costs	(3)	0
Repurchase of common OP units	(50)	0
Distributions on common OP units	(318)	(21)
Distributions and payments to non-controlling interests	(1)	0
Other financing activities	(13)	(10)
Net cash used in financing activities	(396)	(715)
Effects of exchange rate changes on cash held	2	(1)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS AND RESTRICTED CASH	151	(68)
CASH AND CASH EQUIVALENTS AND RESTRICTED CASH, BEGINNING OF PERIOD	874	953
CASH AND CASH EQUIVALENTS AND RESTRICTED CASH, END OF PERIOD	1,025	885
Supplemental disclosure of cash flow information:
Cash and cash equivalents	802	699
Restricted cash (included in other assets)	10	7
Cash included in furniture, fixtures and equipment replacement fund	213	179
Total cash and cash equivalents and restricted cash shown in the statements of cash flows	1,025	885
Total interest paid	90	69
Income taxes paid (refunds received)	2	$ (7)
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
The Camby Autograph Collection [Member]
Noncash Investing And Financing Items [Abstract]
Notes receivable from sale of property	72
The Camby Autograph Collection [Member] | HOST HOTELS & RESORTS L.P.
Noncash Investing And Financing Items [Abstract]
Notes receivable from sale of property	$ 72
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