Income Taxes - Total income tax provision (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Current taxes:
Federal	$ 162	$ 46	$ 103
State	7	4	5
Foreign	1	3	2
Deferred taxes:
Federal	84	(28)	33
Provision for income taxes as shown in the Statement of Earnings	$ 254	$ 25	$ 143

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

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