Property and Equipment, Net (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Cost of property and equipment	$ 991	$ 1,025
Less accumulated depreciation	(798)	(856)
Property and equipment, net	193	169
Depreciation expense	91	105	$ 117
Land
Property, Plant and Equipment [Line Items]
Cost of property and equipment	1	1
Buildings
Property, Plant and Equipment [Line Items]
Cost of property and equipment	3	4
Leasehold improvements
Property, Plant and Equipment [Line Items]
Cost of property and equipment	244	227
Computer and server equipment
Property, Plant and Equipment [Line Items]
Cost of property and equipment	653	703
Office furniture and other equipment
Property, Plant and Equipment [Line Items]
Cost of property and equipment	$ 90	$ 90