Goodwill And Other Intangibles (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2023
Goodwill and Intangible Assets Disclosure [Abstract]
Intangibles subject to amortization, estimated amortization expense, next 12 months		$ 40
Intangibles subject to amortization, estimated amortization expense, year 2		36
Intangibles subject to amortization, estimated amortization expense, year 3		29
Intangibles subject to amortization, estimated amortization expense, year 4		11
Intangibles subject to amortization, estimated amortization expense, year 5		8
Intangibles subject to amortization, estimated amortization expense cumulatively thereafter		$ 53
Goodwill, Impairment Loss	$ 76