Goodwill and Other Intangibles (Changes in the Carrying Amount of Goodwill) (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Goodwill [Roll Forward]
Balance as of January 1,	$ 16,317	$ 15,517
Goodwill acquired	139	374
Other adjustments	(880)	(243)
Balance at September 30,	$ 15,576	$ 15,648