Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details)

v3.7.0.1
Stockholders' Equity (Details) - USD ($)
shares in Millions, $ in Millions
3 Months Ended
Apr. 29, 2017
Apr. 30, 2016
Increase (Decrease) in Stockholders' Equity [Roll Forward]    
January 28, 2017, shares 308.3  
January 28, 2017 $ 1,354  
Net income/(loss) (180) $ (68)
Other comprehensive income/(loss) 25 $ 3
Stock-based compensation and other $ 6  
April 29, 2017, shares 309.8 307.3
April 29, 2017 $ 1,205  
Common Stock [Member]    
Increase (Decrease) in Stockholders' Equity [Roll Forward]    
January 28, 2017, shares 308.3  
January 28, 2017 $ 154  
Stock-based compensation, shares 1.5  
Stock-based compensation and other $ 1  
April 29, 2017, shares 309.8  
April 29, 2017 $ 155  
Additional Paid-in Capital [Member]    
Increase (Decrease) in Stockholders' Equity [Roll Forward]    
January 28, 2017 4,679  
Stock-based compensation and other 5  
April 29, 2017 4,684  
Reinvested Earnings/(Accumulated Deficit) [Member]    
Increase (Decrease) in Stockholders' Equity [Roll Forward]    
January 28, 2017 (3,006)  
Net income/(loss) (180)  
April 29, 2017 (3,186)  
Accumulated Other Comprehensive Income/(Loss) [Member]    
Increase (Decrease) in Stockholders' Equity [Roll Forward]    
January 28, 2017 (473)  
Other comprehensive income/(loss) 25  
April 29, 2017 $ (448)