Segment Reporting - Schedule of Components of Company Restaurant (Details) - Company restaurant expenses - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Customer, Extent of Reliance [Line Items]
Total	$ 509	$ 498	$ 1,494	$ 1,464
RH \| Operating Segments
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Customer, Extent of Reliance [Line Items]
Total	429	403	1,265	1,188
RH \| Operating Segments \| Food, beverage, and packaging costs
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Customer, Extent of Reliance [Line Items]
Total	148	136	435	391
RH \| Operating Segments \| Restaurant wages and related expenses
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Customer, Extent of Reliance [Line Items]
Total	154	148	454	445
RH \| Operating Segments \| Restaurant occupancy expense and other
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Customer, Extent of Reliance [Line Items]
Total	$ 126	$ 119	$ 376	$ 353

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.