Income Taxes (Unaudited) Effective Income Tax Rate Reconciliation (Details 1) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Income Tax Disclosure [Abstract]
Federal and foreign income tax expense	$ 156	$ 189
Effective income tax rate	15.60%	16.50%
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount	$ 40	$ 41
Income Tax Reconciliation Deductions FDII	15	$ 15
Income Taxes Receivable	$ 274		$ 850