Leases -Schedule of Other Information Related to Leases (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from finance leases	$ 28	$ 29
Operating cash flows from operating leases	56	55
Financing cash flows from finance leases	41	32
Right-of-use assets obtained in exchange for lease obligations:
Finance leases	1	84
Operating leases	$ 4	$ 70
Weighted-average remaining lease term - finance leases	13 years		13 years
Weighted-average remaining lease term - operating leases	12 years		12 years
Weighted-average discount rate - finance leases	6.00%		6.00%
Weighted-average discount rate - operating leases	5.00%		5.00%
Finance lease right-of-use assets	$ 2,225		$ 2,277
Accumulated amortization, finance lease, right-of-use asset	$ 1,200		$ 1,100
Finance lease, right-of-use asset, statement of financial position flag	Property, plant and equipment, net		Property, plant and equipment, net