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OTHER FINANCIAL INFORMATION - Reclassification out of Accumulated Other Comprehensive (Loss) Income (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Product sales	$ 7,769	$ 7,545	$ 21,518	$ 21,185
Other (income) expense, net	(569)	(306)	(449)	(41)
Income tax expense (benefit)	589	(297)	1,391	(174)
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	(15)	14	25	19
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	0	0	5
Reclassification out of Accumulated Other Comprehensive Income | Income tax (benefit) expense
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income tax expense (benefit)	$ (2)	$ 2	$ 3	$ 2

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