Property and Equipment, Net - Schedule of Property and Equipment (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Property and equipment	$ 643	$ 539
Less: accumulated amortization and depreciation	(283)	(211)
Property and equipment, net	360	328
Website development costs
Property, Plant and Equipment [Line Items]
Property and equipment	564	452
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment	45	48
Computer equipment
Property, Plant and Equipment [Line Items]
Property and equipment	18	19
Office equipment, furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment	$ 16	$ 20

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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