Income Taxes The Provision of Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Current federal tax	$ 248	$ 147	$ 137
Current international tax	(1)	0	(5)
Total current tax	247	147	132
Deferred federal tax	477	136	338
Deferred international tax	0	0	5
Deferred income tax expense	477	136	343
Total provision for income taxes	$ 724	$ 283	$ 475