Goodwill and Other Intangibles (Changes in the Carrying Amount of Goodwill) (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Goodwill [Roll Forward]
Balance at January 1,	$ 23,306	$ 17,231
Goodwill acquired	234	826
Other adjustments	409	178
Balance at September 30,	$ 23,949	$ 18,235