Business Segment Information - Schedule of Total Assets by Consolidated Hotels, Reconciled to Total Assets (Detail) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Segment Reporting Asset Reconciling Item [Line Items]
Total assets	$ 9,553	$ 9,731
Consolidated Hotels [Member]
Segment Reporting Asset Reconciling Item [Line Items]
Total assets	9,549	9,726
All Other [Member]
Segment Reporting Asset Reconciling Item [Line Items]
Total assets	$ 4	$ 5