Segment and Related Information - Revenue by Geographic Region (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 2,016	$ 1,786
U.S.
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	1,238	1,108
European region
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	473	405
Asia
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	208	184
Rest of the world
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 97	$ 89