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OTHER FINANCIAL INFORMATION - Reclassification out of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Millions | 3 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |
Product sales | $ 6,667 | $ 6,686
Other (income) expense, net | 328 | (91)
Income tax expense (benefit) | 334 | (315)
Reclassification out of Accumulated Other Comprehensive Income | Net gain related to cash flow hedges |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |
Product sales | 21 | 0
Reclassification out of Accumulated Other Comprehensive Income | Net loss related to available-for-sale debt securities |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |
Other (income) expense, net | 0 | 5
Reclassification out of Accumulated Other Comprehensive Income | Income tax expense |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |
Income tax expense (benefit) | $ 3 | $ 0

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