Leases - Other Information (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from finance leases	$ 26	$ 27
Operating cash flows from operating leases	50	52
Financing cash flows from finance leases	31	36
Right-of-use assets obtained in exchange for lease obligations:
Finance leases	30	0
Operating leases	$ 4	$ 5
Weighted-average remaining lease term - finance leases	14 years		14 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	$ 2,136		$ 2,184
Accumulated amortization, finance lease, right-of-use asset	$ 889		$ 870
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Total property, plant and equipment, net		Total property, plant and equipment, net