Intangible Assets and Goodwill - Goodwill By Segment (Details) $ in Millions	9 Months Ended
Sep. 27, 2020 USD ($)
Goodwill [Roll Forward]
Goodwill Beginning of Period	$ 33,639
Goodwill, related to acquisitions	184
Currency translation/Other	484
Goodwill End of Period	34,307
Consumer Health*
Goodwill [Roll Forward]
Goodwill Beginning of Period	9,736
Goodwill, related to acquisitions	0
Currency translation/Other	171
Goodwill End of Period	9,907
PHARMACEUTICAL
Goodwill [Roll Forward]
Goodwill Beginning of Period	9,169
Goodwill, related to acquisitions	1
Currency translation/Other	280
Goodwill End of Period	9,450
Medical Devices
Goodwill [Roll Forward]
Goodwill Beginning of Period	14,734
Goodwill, related to acquisitions	183
Currency translation/Other	33
Goodwill End of Period	$ 14,950

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://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
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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
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-Topic 350
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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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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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