Income Taxes - Schedule of income tax expense (benefit) attributable to pre-tax income (loss) from continuing operations (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Current federal tax expense (benefit)	$ 246	$ (216)	$ (57)
Deferred federal income tax expense (benefit)	2,348	2,190	(1,676)
Current foreign tax expense (benefit)	271	171	274
Deferred foreign income tax expense (benefit)	141	31	(1)
Income tax expense (benefit)	$ 3,006	$ 2,176	$ (1,460)