Goodwill and Other Intangibles (Changes in the Carrying Amount of Goodwill) (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Goodwill [Roll Forward]
Balance at January 1,	$ 17,231	$ 16,251
Goodwill acquired	826	480
Other adjustments	178	(76)
Balance at September 30,	$ 18,235	$ 16,655