REVENUE - Disaggregation of Revenue (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Disaggregation of Revenue [Line Items]
Total Revenues	$ 48,300	$ 45,006	$ 46,159
Net product sales
Disaggregation of Revenue [Line Items]
Total Revenues	46,778	43,778	44,671
Alliance revenues
Disaggregation of Revenue [Line Items]
Total Revenues	479	608	742
Other revenues
Disaggregation of Revenue [Line Items]
Total Revenues	$ 1,043	$ 620	$ 746