Supplemental Information for the Consolidated Statements of Cash Flows - Cash Payments For Interest Costs and Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Supplemental Cash Flow Elements [Abstract]
Interest costs (none capitalized)	$ 4,652	$ 2,673	$ 2,519
Income taxes	$ 182	$ 824	$ 962