Income Taxes (Unrecognized Tax Benefits) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Beginning balance	$ 157	$ 151
Additions related to current years' tax positions	6	7
Additions related to prior years' tax positions	26	15
Unrecognized Tax Benefits, Decrease Resulting from Acquisition		0
Unrecognized Tax Benefits, Increase Resulting from Acquisition	11
Reductions due to lapse of statue of limitations	(6)	(9)
Settlements with tax authorities	(43)	(7)
Ending balance	$ 151	$ 157