Income Taxes - Schedule of Income Tax Provision (Expense) and Effective Tax Rate (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Income Tax Disclosure [Abstract]
IRS excise taxes payable			$ 6
Current tax provision	$ 248	$ 308	665	$ 471
Deferred tax provision	118	202	341	1,248
Income tax provision	$ 366	$ 510	$ 1,006	$ 1,719
Effective tax rate	22.00%	20.00%	22.00%	21.00%