Net Interest and Other Financial Costs (Net Interest and Other Financial Costs) (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Other Income and Expenses [Abstract]
Interest income		$ (376)	$ (530)	$ (191)
Interest expense		1,365	1,325	1,299
Interest capitalized		(57)	(60)	(104)
Pension and other postretirement non-service costs	[1]	(38)	(89)	3
Loss on extinguishment of debt		0	9	2
Investments - net premium (discount) amortization		(91)	(142)	(30)
Other financial costs		36	12	21
Net interest and other financial costs		$ 839	$ 525	$ 1,000

[1] See Note 24.