Segment Reporting - Schedule of Revenues by Country (Details) - Company restaurant sales - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Customer, Extent of Reliance [Line Items]
Total	$ 508	$ 498	$ 985	$ 966
RH \| Operating Segments
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Customer, Extent of Reliance [Line Items]
Total	435	406	836	785
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	154	134	287	255
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	152	300	297
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	$ 128	$ 120	$ 250	$ 233

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.