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INTANGIBLE ASSETS - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Intangible Assets [Line Items]
In-process research and development impairments	$ 1,750	$ 190	$ 1,750	$ 190
In Process Research and Development Bulevirtide | Discount Rate
Intangible Assets [Line Items]
Discount rate, measurement input (as a percent)		8.25%		8.25%

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