Intangible Assets - Reconciliation of Goodwill by Business Segment (Detail) $ in Millions	3 Months Ended
Dec. 31, 2021 USD ($)
Goodwill [Roll Forward]
Goodwill as of September 30, 2021	$ 23,901
Goodwill, Acquired During Period	251
Currency translation	(37)
Goodwill as of December 31, 2021	24,116
Medical
Goodwill [Roll Forward]
Goodwill as of September 30, 2021	10,255
Goodwill, Acquired During Period	0
Currency translation	(14)
Goodwill as of December 31, 2021	10,242
Life Sciences
Goodwill [Roll Forward]
Goodwill as of September 30, 2021	836
Goodwill, Acquired During Period	46
Currency translation	(3)
Goodwill as of December 31, 2021	880
Interventional
Goodwill [Roll Forward]
Goodwill as of September 30, 2021	12,810
Goodwill, Acquired During Period	205
Currency translation	(21)
Goodwill as of December 31, 2021	$ 12,994

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(10)(1))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
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Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 55
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- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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