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Income Taxes - Income Tax Provision (Benefit) Calculated at Statutory U.S. Federal Corporate Income Tax Rate and Actual Income Tax Provision (Benefit) Recorded (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Statutory federal income tax provision (benefit)	$ 165	$ 140	$ (21)
Adjustment for nontaxable income of Host Inc.	(147)	(124)	(40)
State income tax provision (benefit), net	13	7	(23)
Change to uncertain tax provision	0	0	(4)
Foreign income tax provision (benefit)	5	3	(3)
Income tax provision (benefit) – continuing operations	$ 36	$ 26	$ (91)

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to state and local income tax expense (benefit).

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