Income Taxes (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Undistributed earnings	$ 273
Valuation allowance	4	$ 4
Unrecognized tax benefits	70	57	$ 42	$ 48
Penalties and interest expense	1	2	$ 2
Interest and penalties related to income tax	$ 5	$ 4