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COMMITMENTS AND CONTINGENCIES (Details) - USD ($)
$ / shares in Units, $ in Millions
6 Months Ended
Jul. 16, 2018
May 08, 2018
Aug. 03, 2018
Feb. 02, 2018
Oct. 29, 2013
Appraisal Proceedings          
Loss Contingencies [Line Items]          
Settlement amount $ 30 $ 70      
Appraisal Proceedings | Dell Inc.          
Loss Contingencies [Line Items]          
Liability recorded for each share         $ 13.75
Appraisal Proceedings | Pending Litigation          
Loss Contingencies [Line Items]          
Fair value, appraisal proceedings (in dollars per share)         $ 17.62
Number of shares subject to appraisal proceedings (in shares)         5,505,630
Liability accrued       $ 129  
CamSoft Data Systems, Inc. | Pending Litigation          
Loss Contingencies [Line Items]          
Damages sought     $ 2,000