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]
Total property and equipment, gross	$ 4,891	$ 4,715
Less: accumulated depreciation	(2,744)	(2,568)
Projects in progress	63	33
Property and equipment, net	2,210	2,180
Capitalized software development
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	3,107	2,892
Computer equipment
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	353	351
Furniture and other equipment
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	102	106
Buildings and leasehold improvements
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	1,183	1,220
Land
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	$ 146	$ 146