Goodwill and Other Intangibles (Changes In The Carrying Amount Of Goodwill) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Goodwill [Roll Forward]
Beginning balance	$ 16,251	$ 16,317
Goodwill acquired	813	460
Other adjustments	167	(526)
Ending balance	$ 17,231	$ 16,251