Leases - Supplemental Lease Disclosures (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash outflows from operating leases	$ 61	$ 67	$ 80
Operating cash outflows from finance leases	5	5	5
Financing cash outflows from finance leases	35	18	16
Assets obtained in exchange for:
Operating leases	32	70	50
Finance leases	$ 34	$ 16	$ 18
Weighted-average remaining lease term (years)
Operating leases	8 years 10 months 24 days	8 years 4 months 24 days	8 years 9 months 18 days
Finance leases	3 years 1 month 6 days	3 years 1 month 6 days	3 years 10 months 24 days
Weighted-average discount rate (percentages)
Operating leases	8.60%	8.80%	9.10%
Finance leases	6.80%	8.20%	8.50%