Income Taxes Federal and Foreign Income Tax Expense (Details 1) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Taxes on Continuing Operations (Table Amounts)
Current federal income tax expense (benefit)	$ 1,398	$ 246	$ 758
Deferred federal income tax expense (benefit)	518	288	(474)
Total federal income tax expense (benefit)	1,916	534	284
Current foreign income tax expense (benefit)	6	3	10
Deferred foreign income tax expense (benefit)	11	2	6
Total foreign income tax expense (benefit)	17	5	16
Total federal and foreign income tax expense	$ 1,933	$ 539	$ 300