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Segments of Business and Geographic Areas - Operating Profit by Segment of Business (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Apr. 02, 2023 | Apr. 03, 2022
Segment Reporting Information [Line Items] |  |
Worldwide income/(loss) before tax | $ (737) | $ 5,862
Restructuring charges | 130 | 70
In-process research and development | 49 | 610
bermekimab |  |
Segment Reporting Information [Line Items] |  |
In-process research and development expense |  | 600
MedTech |  |
Segment Reporting Information [Line Items] |  |
Restructuring charges |  | 100
Operating Segments |  |
Segment Reporting Information [Line Items] |  |
Total Segment Operating Income | $ 6,665 | 6,087
Percentage Change in Operating Income Loss | 9.50% |
Operating Segments | CONSUMER HEALTH |  |
Segment Reporting Information [Line Items] |  |
Total Segment Operating Income | $ 776 | 686
Business Exit Costs | $ 300 | 102
Percentage Change in Operating Income Loss | 13.10% |
Amortization | $ 100 |
Operating Segments | PHARMACEUTICAL |  |
Segment Reporting Information [Line Items] |  |
Total Segment Operating Income | $ 4,444 | 3,924
Percentage Change in Operating Income Loss | 13.30% |
Unrealized gain (loss) on securities |  | (400)
Supply network costs | $ 400 |
Amortization | 700 | 800
Operating Segments | MedTech |  |
Segment Reporting Information [Line Items] |  |
Total Segment Operating Income | $ 1,445 | 1,477
Percentage Change in Operating Income Loss | (2.20%) |
Amortization | $ 400 | 300
Corporate, Non-Segment |  |
Segment Reporting Information [Line Items] |  |
Total Segment Operating Income | $ 7,102 | $ 123

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