Business Restructuring (Restructuring Reserve Activity) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	$ 226	$ 276	$ 110
Incurred cost	39	239
Restructuring, cash payments	(82)	(52)	$ (56)
Restructuring reserve, foreign currency impact, gain (loss)	26	(15)
Restructuring Charges
Restructuring Cost and Reserve [Line Items]
Release of prior reserves and other adjustments	$ (33)	$ (6)