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BUSINESS COMBINATIONS - Acquisition-related Expenses (Details) - EMC - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 07, 2016
Oct. 28, 2016
Oct. 30, 2015
Oct. 28, 2016
Oct. 30, 2015
Business Acquisition [Line Items]          
Transaction-related costs   $ 1,200   $ 1,200  
Transaction-related costs, capitalized debt issuance costs   800   800  
Acquisition related costs   309 $ 11 350 $ 11
Transaction-related expenses, separately recognized expenses $ 800        
Selling, general, and administrative          
Business Acquisition [Line Items]          
Acquisition related costs   211 11 252 11
Selling, general, and administrative | Acceleration of Vesting on Acquiree's Stock Options          
Business Acquisition [Line Items]          
Transaction-related expenses, separately recognized expenses       807  
Selling, general, and administrative | Special Retention Awards          
Business Acquisition [Line Items]          
Transaction-related expenses, separately recognized expenses       100  
Interest and other, net (b)          
Business Acquisition [Line Items]          
Acquisition related costs   $ 98 $ 0 $ 98 $ 0