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OTHER FINANCIAL INFORMATION - Reclassification out of Accumulated Other Comprehensive (Loss) Income (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2026 | Jun. 30, 2025 | Jun. 30, 2026 | Jun. 30, 2025
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Product sales | $ 7,803 | $ 7,082 | $ 14,763 | $ 13,749
Other (income) expense, net | (387) | (208) | (621) | 120
Income tax expense | 242 | 468 | 801 | 802
Reclassification out of Accumulated Other Comprehensive Income | Net (loss) gain related to cash flow hedges |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Product sales | (18) | 19 | (42) | 40
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 | 2 | 0 | 0 | 0
Reclassification out of Accumulated Other Comprehensive Income | Income tax (benefit) expense |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Income tax expense | $ (2) | $ 2 | $ (5) | $ 5

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