Operating Information by Segment and Geographic Area - External Revenue and Total Assets by Geographic Area (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]
Total revenue	$ 3,612	$ 3,503	$ 10,034	$ 10,534
North America
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenue	2,317	2,106	6,326	6,361
Asia Pacific (includes Australia)
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenue	351	273	803	1,053
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenue	559	602	1,704	1,620
Central and South America
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenue	327	449	1,034	1,228
Middle East and Africa
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenue	$ 58	$ 73	$ 167	$ 272