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RESTRUCTURING - Schedule of Restructuring and Related Costs (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total charges | $ 234 | $ 148 | $ 369 | $ 278
Employee termination costs | 109 | 19 | 174 | 41
Provision for restructuring | 113 | 20 | 180 | 43
Integration expenses | 59 | 124 | 126 | 229
Accelerated depreciation | 12 | 4 | 13 | 6
Asset impairments | 50 | 0 | 50 | 0
Other termination costs |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Other termination costs | 4 | 1 | 6 | 2
Other shutdown costs |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Other termination costs | 0 | 0 | 0 | 0
Marketing, selling and administrative |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total charges | 20 | 4 | 20 | 6
Other (income)/expense, net |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total charges | 172 | 144 | 306 | 272
Cost of products sold |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total charges | 36 | 0 | 37 | 0
Research and Development |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total charges | 6 | 0 | 6 | 0
2023 Restructuring Plan |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total charges | 170 | 0 | 231 | 0
Celgene and Other Acquisition Plans |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total charges | $ 64 | $ 148 | $ 138 | $ 278

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