Leases - Components of Lease Expense and Other Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Operating lease cost	$ 16	$ 16	$ 30
Other lease costs	3	3	4
Sublease income	(7)	(5)	(3)
Total lease cost	12	14	31
Operating cash outflows for operating leases	23	20	19
ROU assets obtained in exchange for new operating lease liabilities	$ 1	$ 35	4
ROU asset impairment			$ 13