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REVENUE - Reconciliation of Gross Product Sales to Net Product Sales (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Gross to Net Adjustments [Line Items] |  |
Total Revenues | $ 11,865 | $ 11,337
Total GTN adjustments | (7,736) | (6,240)
Prior period gross to net adjustment impacted by new accounting pronouncement | 80 | 87
United States |  |
Gross to Net Adjustments [Line Items] |  |
Total Revenues | 8,476 | 7,952
Total GTN adjustments | (6,900) | (5,500)
Gross product sales |  |
Gross to Net Adjustments [Line Items] |  |
Total Revenues | 19,295 | 17,288
Net product sales |  |
Gross to Net Adjustments [Line Items] |  |
Total Revenues | 11,559 | 11,048
Charge-backs and cash discounts |  |
Gross to Net Adjustments [Line Items] |  |
Total GTN adjustments | (2,556) | (2,091)
Medicaid and Medicare rebates |  |
Gross to Net Adjustments [Line Items] |  |
Total GTN adjustments | (3,084) | (2,482)
Other rebates, returns, discounts and adjustments |  |
Gross to Net Adjustments [Line Items] |  |
Total GTN adjustments | $ (2,096) | $ (1,667)

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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. 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