Business Restructuring (Restructuring Reserve Activity) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	$ 276	$ 110	$ 165
Incurred cost	239	33
Restructuring, cash payments	(52)	(56)	$ (85)
Restructuring reserve, foreign currency impact, gain (loss)	(15)	3
Restructuring Charges
Restructuring Cost and Reserve [Line Items]
Release of prior reserves and other adjustments	$ (6)	$ (35)