Goodwill and Other Intangibles (Changes in the Carrying Amount of Goodwill) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Goodwill [Roll Forward]
Balance at January 1,	$ 23,306	$ 17,231
Goodwill acquired	33	216
Other adjustments	199	(133)
Balance at March 31,	$ 23,538	$ 17,314