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Intangible Assets and Goodwill - Goodwill (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Jan. 01, 2023 | Jan. 02, 2022
Goodwill [Roll Forward] |  |
Goodwill beginning of period | $ 35,246 | $ 36,393
Goodwill, related to acquisitions | 11,056 | 0
Goodwill, related to divestitures | 0 | (9)
Currency translation/other | (1,071) | (1,138)
Goodwill end of period | 45,231 | 35,246
Consumer Health |  |
Goodwill [Roll Forward] |  |
Goodwill beginning of period | 9,810 | 10,336
Goodwill, related to acquisitions | 0 | 0
Goodwill, related to divestitures | 0 | (9)
Currency translation/other | (626) | (517)
Goodwill end of period | 9,184 | 9,810
Pharmaceutical |  |
Goodwill [Roll Forward] |  |
Goodwill beginning of period | 10,580 | 11,009
Goodwill, related to acquisitions | 0 | 0
Goodwill, related to divestitures | 0 | 0
Currency translation/other | (396) | (429)
Goodwill end of period | 10,184 | 10,580
Medical Devices |  |
Goodwill [Roll Forward] |  |
Goodwill beginning of period | 14,856 | 15,048
Goodwill, related to acquisitions | 11,056 | 0
Goodwill, related to divestitures | 0 | 0
Currency translation/other | (49) | (192)
Goodwill end of period | $ 25,863 | $ 14,856

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