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ACQUISITIONS AND OTHER ARRANGEMENTS - Summary of Fair Value of Assets Acquired and Liabilities Assumed for Mallinckrodt Plc (Details) - USD ($)
$ in Millions
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Mar. 16, 2018
Acquisitions And Collaborations [Line Items]        
Goodwill $ 3,217 $ 3,030 $ 3,002  
RECOTHROM and PREVELEAK | Mallinckrodt plc        
Acquisitions And Collaborations [Line Items]        
Accounts receivable, net       $ 2
Inventories       80
Goodwill       2
Other intangible assets       100
Total assets acquired       $ 184