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INTANGIBLE ASSETS - Additional Information (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Mar. 31, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Intangible Assets [Line Items] |  |  |  |  |
In-process research and development impairment | $ 1,750 |  | $ 0 | $ 4,180 | $ 0
In Process Research And Development NSCLC |  |  |  |  |
Intangible Assets [Line Items] |  |  |  |  |
In-process research and development impairment | 1,800 | $ 2,400 |  | 4,200 |
Indefinite-lived intangible assets, fair value | $ 1,800 | $ 3,500 |  | $ 1,800 |
In Process Research And Development NSCLC | Immunomedics | Discount Rate |  |  |  |  |
Intangible Assets [Line Items] |  |  |  |  |
Discount rate, measurement input (as a percent) | 7.00% | 7.00% |  | 7.00% |

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