Leases - Other Quantitative Information (Details) - USD ($) $ in Millions		6 Months Ended
		Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Operating Leases
Weighted-average remaining lease term		7 years 1 month 6 days		7 years 4 months 24 days
Weighted-average discount rate	[1]	5.20%		5.20%
Finance Leases
Weighted-average remaining lease term		9 years 7 months 6 days		8 years 6 months
Weighted-average discount rate	[1]	6.20%		6.60%
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability		$ 93	$ 402
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability		$ 545	$ 472

[1] The weighted average discount rate is impacted by certain finance leases that commenced prior to the adoption of the current leasing standard under GAAP. In accordance with previous accounting guidance, the implied rate is based on the fair value of the underlying assets.