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Intangible Assets and Goodwill - Goodwill (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 29, 2019 | Dec. 30, 2018
Goodwill [Roll Forward] |  |
Goodwill beginning of period | $ 30,453 | $ 31,906
Goodwill, related to acquisitions | 3,281 | 403
Goodwill, related to divestitures |  | (1,348)
Currency translation/other | (95) | (508)
Goodwill end of period | 33,639 | 30,453
Consumer |  |
Goodwill [Roll Forward] |  |
Goodwill beginning of period | 8,670 | 8,875
Goodwill, related to acquisitions | 1,188 | 168
Goodwill, related to divestitures |  | 0
Currency translation/other | (122) | (373)
Goodwill end of period | 9,736 | 8,670
Pharmaceutical |  |
Goodwill [Roll Forward] |  |
Goodwill beginning of period | 9,063 | 9,109
Goodwill, related to acquisitions | 75 | 51
Goodwill, related to divestitures |  | 0
Currency translation/other | 31 | (97)
Goodwill end of period | 9,169 | 9,063
Medical Devices |  |
Goodwill [Roll Forward] |  |
Goodwill beginning of period | 12,720 | 13,922
Goodwill, related to acquisitions | 2,018 | 184
Goodwill, related to divestitures |  | (1,348)
Currency translation/other | (4) | (38)
Goodwill end of period | $ 14,734 | $ 12,720

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