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Intangible Assets and Goodwill - Goodwill (Details) - USD ($) $ in Millions | 12 Months Ended
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Jan. 03, 2021 | Dec. 29, 2019
Goodwill [Roll Forward] |  |
Goodwill beginning of period | $ 33,639 | $ 30,453
Goodwill, related to acquisitions | 1,460 | 3,281
Currency translation/other | 1,294 | (95)
Goodwill end of period | 36,393 | 33,639
Consumer |  |
Goodwill [Roll Forward] |  |
Goodwill beginning of period | 9,736 | 8,670
Goodwill, related to acquisitions | 0 | 1,188
Currency translation/other | 600 | (122)
Goodwill end of period | 10,336 | 9,736
Pharmaceutical |  |
Goodwill [Roll Forward] |  |
Goodwill beginning of period | 9,169 | 9,063
Goodwill, related to acquisitions | 1,222 | 75
Currency translation/other | 618 | 31
Goodwill end of period | 11,009 | 9,169
Medical Devices |  |
Goodwill [Roll Forward] |  |
Goodwill beginning of period | 14,734 | 12,720
Goodwill, related to acquisitions | 238 | 2,018
Currency translation/other | 76 | (4)
Goodwill end of period | $ 15,048 | $ 14,734

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 + Details
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