Leases - Summary of Lease Costs (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Lease Cost [Abstract]
Operating lease costs	$ 15	$ 16	$ 11
Variable lease costs	1	1	1
Short-term lease costs	3	3	5
Total lease costs	$ 19	$ 20	$ 17