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ACQUISITIONS AND OTHER ARRANGEMENTS - Caelyx and Doxil Narrative (Details) - Caelyx and Doxil - USD ($) $ in Millions |  | 12 Months Ended
--- | --- | ---
Feb. 17, 2021 | Dec. 31, 2021
Acquisitions And Collaborations [Line Items] |  |
Purchase price | $ 325 |
Revenue since acquisition |  | $ 108
Developed Technology Rights |  |
Acquisitions And Collaborations [Line Items] |  |
Reacquired license rights fair value total | $ 314 |
Weighted-average useful life | 9 years |
Customer relationships |  |
Acquisitions And Collaborations [Line Items] |  |
Reacquired license rights fair value total | $ 11 |
Weighted-average useful life | 8 years |

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