Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Assets
Operating lease assets	$ 918	$ 1,056
Finance lease assets	175	191
Total leased assets	$ 1,093	$ 1,247
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Other, net	Other, net
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Property, plant and equipment, net of accumulated depreciation $4,139 and $3,665	Property, plant and equipment, net of accumulated depreciation $4,139 and $3,665
Current
Operating	$ 266	$ 288
Finance	16	14
Noncurrent
Operating	719	845
Finance	174	190
Total lease liabilities	$ 1,175	$ 1,337
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]	Current maturities of long-term debt	Current maturities of long-term debt
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	LONG-TERM DEBT	LONG-TERM DEBT
Weighted-average remaining lease term (years)
Operating leases	6 years 7 months 6 days	7 years 1 month 6 days
Finance leases	10 years 1 month 6 days	10 years
Weighted-average discount rate
Operating leases	7.56%	6.63%
Finance leases	4.69%	4.97%
Affiliated Entity
Assets
Operating lease assets	$ 234	$ 311
Current
Operating	113	129
Noncurrent
Operating	$ 128	$ 201