Goodwill and Other Intangible Assets (Changes in Net Carrying Amount of Goodwill by Segment) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Goodwill [Roll Forward]
Goodwill, Beginning balance	$ 12,778	$ 9,069
Additions and adjustments	282	3,559
Foreign exchange	(142)	150
Goodwill, Ending balance	12,918	12,778
MedSurg and Neurotechnology
Goodwill [Roll Forward]
Goodwill, Beginning balance	5,459	5,377
Additions and adjustments	223	1
Foreign exchange	(13)	81
Goodwill, Ending balance	5,669	5,459
Orthopaedics and Spine
Goodwill [Roll Forward]
Goodwill, Beginning balance	7,319	3,692
Additions and adjustments	59	3,558
Foreign exchange	(129)	69
Goodwill, Ending balance	$ 7,249	$ 7,319