Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Components of earnings before income taxes and equity in earnings of non-operating affiliates
Domestic	$ 2,248	$ 4,699	$ 1,979
Non-U.S.	0	396	(436)
Earnings before income taxes	2,248	5,095	1,543
Current
Federal	271	702	394
Foreign	(26)	395	30
State	84	168	55
Total	329	1,265	479
Deferred
Federal	108	(102)	(137)
Foreign	(5)	(18)	(50)
State	(22)	13	(9)
Total	81	(107)	(196)
Income tax provision	$ 410	$ 1,158	$ 283

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