Income Taxes (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]
Income tax provision (benefit)	$ 440	$ (752)	$ 2,119	$ (762)
Effective Income Tax Rate	17.40%	22.10%	17.20%	23.30%
Income Tax Rate, Corporate Alternative Minimum Tax			15.00%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent			21.00%
Average Three Year Adjusted Financial Statement Income Threshold For Applicable Corporation			$ 1,000