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Segments of Business and Geographic Areas - Operating Profit by Segment of Business (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Apr. 04, 2021 | Mar. 29, 2020
Segment Reporting Information [Line Items] |  |
Percentage Change in Operating Income Loss | 14.10% |
Earnings before provision for taxes on income | $ 7,429 | $ 6,509
Amount prepaid and due to manufacturers | 1,000 |
Reversal of contingent consideration | 0 | 983
Restructuring charges | 53 | 58
PHARMACEUTICAL |  |
Segment Reporting Information [Line Items] |  |
Litigation expense |  | 100
Medical Devices |  |
Segment Reporting Information [Line Items] |  |
Restructuring charges | 100 | 100
Operating Segments |  |
Segment Reporting Information [Line Items] |  |
Total Segment Operating Income | $ 7,640 | 6,629
Percentage Change in Operating Income Loss | 15.30% |
Operating Segments | Consumer Health |  |
Segment Reporting Information [Line Items] |  |
Total Segment Operating Income | $ 788 | 770
Percentage Change in Operating Income Loss | 2.30% |
Amortization | $ 100 | 100
Operating Segments | PHARMACEUTICAL |  |
Segment Reporting Information [Line Items] |  |
Total Segment Operating Income | $ 5,223 | 3,834
Percentage Change in Operating Income Loss | 36.20% |
Amortization | $ 900 | 800
Gain (Loss) on Disposition of Assets | 600 |
Unrealized Gain (Loss) on Securities |  | (300)
Operating Segments | Medical Devices |  |
Segment Reporting Information [Line Items] |  |
Total Segment Operating Income | $ 1,629 | 2,025
Percentage Change in Operating Income Loss | (19.60%) |
Amortization | $ 300 | 200
Corporate, Non-Segment |  |
Segment Reporting Information [Line Items] |  |
Total Segment Operating Income | $ 211 | 120
Auris Health |  |
Segment Reporting Information [Line Items] |  |
Reversal of contingent consideration |  | 983
Other Income | Auris Health | Medical Devices |  |
Segment Reporting Information [Line Items] |  |
Reversal of contingent consideration |  | $ 1,000

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