Income Taxes - Components of Income Tax Expense (Detail) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Federal
Current	$ 221	$ 350	$ 625	$ 703
Deferred	107	76	5	206
Federal income tax	328	426	630	909
State
Current	89	109	178	203
Deferred	(3)	16	3	46
State income tax	86	125	181	249
Applicable income taxes	$ 414	$ 551	$ 811	$ 1,158

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

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