Business Segment Information - Schedule of Total Assets by Consolidated Hotels, Reconciled to Total Assets (Detail) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Segment Reporting Asset Reconciling Item [Line Items]
Variable interest entities assets	$ 9,419	$ 9,731
Operating Segments
Segment Reporting Asset Reconciling Item [Line Items]
Variable interest entities assets	9,419	9,731
Consolidated hotels | Operating Segments
Segment Reporting Asset Reconciling Item [Line Items]
Variable interest entities assets	9,406	9,726
All other | Operating Segments
Segment Reporting Asset Reconciling Item [Line Items]
Variable interest entities assets	$ 13	$ 5