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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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