Income Taxes (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Income Tax Disclosure [Abstract]
Income tax expense	$ 585	$ 488	$ 1,200	$ 1,015
Effective tax rate	24.00%	23.00%	23.70%	22.90%
Income taxes receivable	$ 48		$ 48		$ 440