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ACQUISITIONS, DIVESTITURES, LICENSING AND OTHER ARRANGEMENTS - Schedule of Consideration for RayzeBio Acquisition (Details) - RayzeBio - USD ($) $ in Millions |  | 3 Months Ended
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Feb. 26, 2024 | Mar. 31, 2024
Business Acquisition [Line Items] |  |
Total consideration | $ (4,147) |
Total consideration allocated | 3,873 |
Common Stock |  |
Business Acquisition [Line Items] |  |
Total consideration | (3,851) |
Equity |  |
Business Acquisition [Line Items] |  |
Total consideration | (296) |
Unvested Equity Awards |  |
Business Acquisition [Line Items] |  |
Total consideration | $ (274) |
Unvested Equity Awards | Equity Securities |  |
Business Acquisition [Line Items] |  |
Total consideration |  | $ (159)
Unvested Equity Awards | Research and development |  |
Business Acquisition [Line Items] |  |
Total consideration |  | $ (115)

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