Geographic Information - Selected Geographic Area Information (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 1,028	$ 1,131	$ 3,430	$ 3,652
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	475	507	1,537	1,621
International
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 553	$ 624	$ 1,893	$ 2,031