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RESTRUCTURING - Schedule of Restructuring and Related Costs (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Restructuring Cost and Reserve [Line Items] |  |
Total charges | $ 135 | $ 130
Employee termination costs | 65 | 22
Other termination costs | 2 | 1
Provision for restructuring | 67 | 23
Integration expenses (Note 6) | 67 | 105
Accelerated depreciation | 1 | 2
Cost of products sold |  |
Restructuring Cost and Reserve [Line Items] |  |
Total charges | 1 | 0
Marketing, selling and administrative |  |
Restructuring Cost and Reserve [Line Items] |  |
Total charges | 0 | 2
Other (income)/expense, net |  |
Restructuring Cost and Reserve [Line Items] |  |
Total charges | 134 | 128
Celgene Acquisition Plan |  |
Restructuring Cost and Reserve [Line Items] |  |
Total charges | 57 | 127
Other Restructuring |  |
Restructuring Cost and Reserve [Line Items] |  |
Total charges | 78 | $ 3
Employee termination costs | $ 61 |

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