Goodwill and Intangibles - Schedule of Intangible Assets (Detail) - USD ($) $ in Millions		Dec. 31, 2020	Dec. 31, 2019
Goodwill And Intangible Assets Disclosure [Abstract]
Air rights contract	[1]	$ 45	$ 45
Other		8	8
Accumulated amortization		(8)	(7)
Intangible assets		$ 45	$ 46

[1] In conjunction with the Merger, we acquired an air rights contract as part of the Hyatt Regency Boston, which expires in September 2079 and requires no payments through maturity.