Intangible Assets - Reconciliation of Goodwill by Business Segment (Detail) $ in Millions	3 Months Ended
	Dec. 31, 2023 USD ($)
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 24,522
Currency translation	75
Goodwill, ending balance	24,597
Medical
Goodwill [Roll Forward]
Goodwill, beginning balance	10,955
Currency translation	33
Goodwill, ending balance	10,988
Life Sciences
Goodwill [Roll Forward]
Goodwill, beginning balance	897
Currency translation	4
Goodwill, ending balance	901
Interventional
Goodwill [Roll Forward]
Goodwill, beginning balance	12,670
Currency translation	38
Goodwill, ending balance	$ 12,708