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Intangible Assets and Goodwill - Goodwill By Segment (Details) $ in Millions	3 Months Ended
	Apr. 04, 2021 USD ($)
Goodwill [Roll Forward]
Goodwill Beginning of Period	$ 36,393
Goodwill, related to acquisitions and divestitures	0
Currency translation/Other	(705)
Goodwill End of Period	35,688
Consumer Health
Goodwill [Roll Forward]
Goodwill Beginning of Period	10,336
Goodwill, related to acquisitions and divestitures	0
Currency translation/Other	(310)
Goodwill End of Period	10,026
PHARMACEUTICAL
Goodwill [Roll Forward]
Goodwill Beginning of Period	11,009
Goodwill, related to acquisitions and divestitures	0
Currency translation/Other	(262)
Goodwill End of Period	10,747
Medical Devices
Goodwill [Roll Forward]
Goodwill Beginning of Period	15,048
Goodwill, related to acquisitions and divestitures	0
Currency translation/Other	(133)
Goodwill End of Period	$ 14,915

X

- Definition

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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266

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X

- 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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267

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- Definition

Amount of increase (decrease), classified as other, of an asset representing the future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267

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- Definition

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

+ References

No definition available.

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