Income Taxes - Components of Income Tax Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Federal
Current	$ 838	$ 5	$ 5
Deferred	(332)	514	338
State
Current	283	42	50
Deferred	(191)	72	55
Foreign
Current	32	23	29
Deferred	(73)	12	(27)
Total income tax expense	557	668	450
Income tax expense in the consolidated statements of operations:
Attributable to income	557	668	450
Stockholders' equity:
Tax effect of the change in accumulated other comprehensive loss	$ 297	$ 222	$ 17