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, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Statutory federal income tax provision (benefit)	$ 140	$ (21)	$ (202)
Adjustment for nontaxable (income) loss of Host Inc.	(124)	(40)	34
Adjustment for net operating loss carryback to 2017-2019	0	0	18
State income tax provision (benefit), net	7	(23)	(62)
Change to uncertain tax provision	0	(4)	(3)
Foreign income tax provision (benefit)	3	(3)	(5)
Total	$ 26	$ (91)	$ (220)