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INCOME TAXES - Additional Information (Details) - USD ($) $ in Millions |  | 3 Months Ended
--- | --- | ---
Mar. 18, 2024 | Mar. 31, 2025 | Mar. 31, 2024
Effective Income Tax Rate Reconciliation [Line Items] |  |  |
Income tax payments |  | $ 235 | $ 187
Karuna |  |  |
Effective Income Tax Rate Reconciliation [Line Items] |  |  |
Payments for asset acquisitions | $ 14,027 |  |
Minimum |  |  |
Effective Income Tax Rate Reconciliation [Line Items] |  |  |
Reasonably possible decrease in unrecognized tax benefits |  | 300 |
Maximum |  |  |
Effective Income Tax Rate Reconciliation [Line Items] |  |  |
Reasonably possible decrease in unrecognized tax benefits |  | $ 340 |
Acquired IPRD | Karuna |  |  |
Effective Income Tax Rate Reconciliation [Line Items] |  |  |
Payments for asset acquisitions |  |  | $ 12,100

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