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INCOME TAXES - Additional Information (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024
Income Tax Contingency [Line Items] |  |
Effective income tax rate reconciliation (as a percent) | 20.20% | 7.00%
Acquired in-process research and development expenses | $ 253 | $ 4,131
In-process research and development impairments | $ 0 | 2,430
In Process Research And Development NSCLC |  |
Income Tax Contingency [Line Items] |  |
In-process research and development impairments |  | 2,400
CymaBay |  |
Income Tax Contingency [Line Items] |  |
Acquired in-process research and development expenses |  | $ 3,900

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