Leases -Schedule of Other Information Related to Leases (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from finance leases	$ 80	$ 83
Operating cash flows from operating leases	154	151
Financing cash flows from finance leases	101	98
Right-of-use assets obtained in exchange for lease obligations:
Finance leases	228	194
Operating leases	$ 144	$ 255
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	$ 2,053		$ 2,184
Accumulated amortization, finance lease, right-of-use asset	$ 955		$ 870
Finance lease, right-of-use asset, statement of financial position flag	Total property, plant and equipment, net		Total property, plant and equipment, net