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Intangible Assets and Goodwill - Goodwill By Segment (Details) $ in Millions	6 Months Ended
	Jul. 04, 2021 USD ($)
Goodwill [Roll Forward]
Goodwill Beginning of Period	$ 36,393
Goodwill, related to acquisitions	0
Goodwill, Written off Related to Sale of Business Unit	(7)
Currency translation/Other	(567)
Goodwill End of Period	35,819
Consumer Health
Goodwill [Roll Forward]
Goodwill Beginning of Period	10,336
Goodwill, related to acquisitions	0
Goodwill, Written off Related to Sale of Business Unit	(7)
Currency translation/Other	(242)
Goodwill End of Period	10,087
PHARMACEUTICAL
Goodwill [Roll Forward]
Goodwill Beginning of Period	11,009
Goodwill, related to acquisitions	0
Goodwill, Written off Related to Sale of Business Unit	0
Currency translation/Other	(204)
Goodwill End of Period	10,805
Medical Devices
Goodwill [Roll Forward]
Goodwill Beginning of Period	15,048
Goodwill, related to acquisitions	0
Goodwill, Written off Related to Sale of Business Unit	0
Currency translation/Other	(121)
Goodwill End of Period	$ 14,927

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://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

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
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-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
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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.

+ References

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-Publisher FASB
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-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
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X

- 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

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-SubTopic 20
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- Definition

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+ References

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- Definition

Amount of divestiture 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

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-Publisher FASB
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