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OTHER FINANCIAL INFORMATION - Reclassification out of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Millions	3 Months Ended
	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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