Leases - Supplemental Cash Flows (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows for operating leases	$ 35	$ 40
Operating cash flows for finance leases	0	0
Financing cash flows for finance leases	2	1
Operating lease right-of-use assets obtained in exchange for new operating lease liabilities	15	23
Right-of-use assets obtained in exchange for new finance lease liabilities	$ 3	$ 1