Property and Equipment, Net - Components of Property and Equipment, Net (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 706	$ 675
Less: accumulated depreciation	(512)	(460)
Total	194	215
Capitalized Website Development
Property Plant And Equipment [Line Items]
Property and equipment, gross	445	416
Total	91	97
Finance Lease Right-of-Use Asset
Property Plant And Equipment [Line Items]
Property and equipment, gross	114	114
Leasehold Improvements
Property Plant And Equipment [Line Items]
Property and equipment, gross	46	48
Computer Equipment and Purchased Software
Property Plant And Equipment [Line Items]
Property and equipment, gross	82	77
Furniture, Office Equipment and Other
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 19	$ 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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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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