Intangible Assets and Goodwill - Goodwill By Segment (Details) $ in Millions	9 Months Ended
Oct. 03, 2021 USD ($)
Goodwill [Roll Forward]
Goodwill Beginning of Period	$ 36,393
Goodwill, related to acquisitions	0
Goodwill, related to divestitures	(7)
Currency translation/Other	(817)
Goodwill End of Period	35,569
Consumer Health
Goodwill [Roll Forward]
Goodwill Beginning of Period	10,336
Goodwill, related to acquisitions	0
Goodwill, related to divestitures	(7)
Currency translation/Other	(347)
Goodwill End of Period	9,982
PHARMACEUTICAL
Goodwill [Roll Forward]
Goodwill Beginning of Period	11,009
Goodwill, related to acquisitions	0
Goodwill, related to divestitures	0
Currency translation/Other	(283)
Goodwill End of Period	10,726
Medical Devices
Goodwill [Roll Forward]
Goodwill Beginning of Period	15,048
Goodwill, related to acquisitions	0
Goodwill, related to divestitures	0
Currency translation/Other	(187)
Goodwill End of Period	$ 14,861

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))
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-Publisher FASB
-Name Accounting Standards Codification
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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.

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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.

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