Accumulated Other Comprehensive Income - Summary of Changes in Balances for Each Component of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance	$ 1,756	$ 1,615
Other comprehensive income	7	3
Ending balance	1,767	1,643
Currency Translation Adjustments
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance	(6)	(6)
Ending balance	(6)	(6)
Employee Benefit Plans
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance	12	8
Ending balance	12	8
Interest Rate Derivatives
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance	4	(1)
Other comprehensive income	7	3
Ending balance	11	2
Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance	10	1
Other comprehensive income	7	3
Ending balance	$ 17	$ 4