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Acquisitions (Details Textual 1) - USD ($)
shares in Millions, $ in Millions
3 Months Ended 12 Months Ended
Feb. 03, 2017
Feb. 03, 2017
Jan. 29, 2016
Jan. 30, 2015
May 20, 2016
Noncontrolling Interest [Line Items]          
Premium paid to acquire noncontrolling interest   $ 18 $ 0 $ 0  
RONA inc [Member] | RONA inc [Member]          
Noncontrolling Interest [Line Items]          
Payments to acquire remaining noncontrolling interest $ 127        
RONA inc [Member] | Noncontrolling Interest | RONA inc [Member]          
Noncontrolling Interest [Line Items]          
Preferred shares outstanding         6.9
Noncontrolling interest, amount represented by preferred stock         $ 109
Premium paid to acquire noncontrolling interest $ 18