Leases - Lease Cost and Other Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Lease, Cost [Abstract]
Finance lease cost	$ 9	$ 9	$ 8
Amortization of right-of-use assets	8	8	7
Interest on lease liabilities	1	1	1
Operating lease cost	63	89	93
Short-term lease cost	46	32	42
Variable lease cost	138	91	91
Sublease income	0	0	(2)
Total lease cost	256	221	232
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	187	190	195
Financing cash flows from finance leases	8	8	7
Right-of-use assets obtained in exchange for new finance lease liabilities	19	13	17
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 32	$ 69	$ 52
Finance leases:
Weighted average remaining lease term (in years)	3 years 8 months 12 days	2 years 8 months 12 days
Weighted average discount rate	6.24%	6.26%
Operating leases:
Weighted average remaining lease term (in years)	7 years 9 months 18 days	5 years 4 months 24 days
Weighted average discount rate	6.26%	6.23%