Income Taxes Federal and Foreign Income Tax Expense (Details 1) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Taxes on Continuing Operations (Table Amounts)
Current federal income tax expense (benefit)	$ 949	$ 1,289	$ 1,398
Deferred federal income tax expense (benefit)	(670)	(353)	518
Total federal income tax expense	279	936	1,916
Current foreign income tax expense (benefit)	15	3	6
Deferred foreign income tax expense (benefit)	(4)	1	11
Total foreign income tax expense	11	4	17
Total federal and foreign income tax expense	$ 290	$ 940	$ 1,933