Goodwill By Segment (Details) $ in Millions	9 Months Ended
Sep. 30, 2018 USD ($)
Goodwill [Roll Forward]
Goodwill Beginning of Period	$ 31,906
Goodwill, related to acquisitions	428
Goodwill, related to divestitures	(1,246)
Currency translation/Other	(386)
Goodwill End of Period	30,702
CONSUMER
Goodwill [Roll Forward]
Goodwill Beginning of Period	8,875
Goodwill, related to acquisitions	169
Goodwill, related to divestitures	0
Currency translation/Other	(304)
Goodwill End of Period	8,740
PHARMACEUTICAL
Goodwill [Roll Forward]
Goodwill Beginning of Period	9,109
Goodwill, related to acquisitions	51
Goodwill, related to divestitures	0
Currency translation/Other	(48)
Goodwill End of Period	9,112
Medical Devices
Goodwill [Roll Forward]
Goodwill Beginning of Period	13,922
Goodwill, related to acquisitions	208
Goodwill, related to divestitures	(1,246)
Currency translation/Other	(34)
Goodwill End of Period	$ 12,850

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/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-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

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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.

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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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