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SUBSEQUENT EVENTS (Details) - Blackstone Group Inc. - Subsequent Event - Collaborative Arrangement
Apr. 10, 2020
USD ($)
Subsequent Event [Line Items]  
Maximum proceeds from collaborators $ 2,000,000,000.0
Maximum loan amount 750,000,000.0
Payments committed by collaborator for purchase of common stock 100,000,000.0
Inclisiran  
Subsequent Event [Line Items]  
Payments committed by collaborator $ 1,000,000,000.0
Royalties acquired by collaborator, percent 50.00%
Commercial milestones acquired by collaborator, percent 75.00%
Cardiometabolic Programs  
Subsequent Event [Line Items]  
Payments committed by collaborator $ 150,000,000.0