Business Segment Information - Schedule of Total Assets by Consolidated Hotels, Reconciled to Total Assets (Detail) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Asset Reconciling Item [Line Items]
Total assets	$ 9,731	$ 9,743
Consolidated Hotels [Member]
Segment Reporting Asset Reconciling Item [Line Items]
Total assets	9,726	9,724
All Other [Member]
Segment Reporting Asset Reconciling Item [Line Items]
Total assets	$ 5	$ 19