Business Segment Information - Schedule of Total Assets by Consolidated Hotels, Reconciled to Total Assets (Detail) - USD ($) $ in Millions	Jun. 30, 2026	Dec. 31, 2025
Segment Reporting Asset Reconciling Item [Line Items]
Total assets	$ 7,702	$ 7,700
Segment Reporting, Reconciling Item, Corporate Nonsegment
Segment Reporting Asset Reconciling Item [Line Items]
Total assets	38	45
Core Hotels \| Operating Segments
Segment Reporting Asset Reconciling Item [Line Items]
Total assets	7,277	7,194
Non-Core Hotels \| Operating Segments
Segment Reporting Asset Reconciling Item [Line Items]
Total assets	$ 387	$ 461

Amount of asset recognized for present right to economic benefit.

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+ Details

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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