Accumulated Other Comprehensive Income - Summary of Changes in Balances for Each Component of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance	$ 1,615	$ (818)	$ (1,027)
Other comprehensive income (loss)	9	(4)	(5)
Ending balance	1,756	1,615	(818)
Currency Translation Adjustments
Accumulated Other Comprehensive Income Loss [Line Items]
Balance as of beginning of period	(6)	(6)	(7)
Currency translation adjustments			1
Other comprehensive income (loss)			1
Balance as of end of period	(6)	(6)	(6)
Employee Benefit Plans
Accumulated Other Comprehensive Income Loss [Line Items]
Balance as of beginning of period	8	11	14
Adoption of new accounting principle			3
Net actuarial gain (loss) arising during period	6	(4)	(5)
Deferred tax (expense) benefit on net actuarial gain (loss)	(1)	2	1
Amortization of actuarial gain	(1)	(1)	(2)
Other comprehensive income (loss)	4	(3)	(6)
Balance as of end of period	12	8	11
Interest Rate Derivatives
Accumulated Other Comprehensive Income Loss [Line Items]
Balance as of beginning of period	(1)
Gain (loss) arising during period, net of income tax	5	(1)
Other comprehensive income (loss)	5	(1)
Balance as of end of period	4	(1)
Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance	1	5	7
Adoption of new accounting principle			3
Other comprehensive income (loss)	9	(4)	(5)
Ending balance	$ 10	$ 1	$ 5