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Intangible Assets and Goodwill - Goodwill (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 | Jan. 01, 2017
Goodwill [Roll Forward] |  |
Goodwill beginning of period | $ 22,805 | $ 21,629
Goodwill, related to acquisitions | 8,463 | 1,572
Goodwill, related to divestitures | (177) | (75)
Currency translation/other | 815 | (321)
Goodwill end of period | 31,906 | 22,805
Consumer |  |
Goodwill [Roll Forward] |  |
Goodwill beginning of period | 8,263 | 7,240
Goodwill, related to acquisitions | 102 | 1,362
Goodwill, related to divestitures | (74) | (63)
Currency translation/other | 584 | (276)
Goodwill end of period | 8,875 | 8,263
Pharmaceutical |  |
Goodwill [Roll Forward] |  |
Goodwill beginning of period | 2,840 | 2,889
Goodwill, related to acquisitions | 6,161 | 0
Goodwill, related to divestitures | (1) | (12)
Currency translation/other | 109 | (37)
Goodwill end of period | 9,109 | 2,840
Medical Devices |  |
Goodwill [Roll Forward] |  |
Goodwill beginning of period | 11,702 | 11,500
Goodwill, related to acquisitions | 2,200 | 210
Goodwill, related to divestitures | (102) | 0
Currency translation/other | 122 | (8)
Goodwill end of period | $ 13,922 | $ 11,702

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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 Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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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 Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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