Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details)

v3.8.0.1
Stockholders' Equity (Details) - USD ($)
shares in Millions, $ in Millions
3 Months Ended 9 Months Ended
Oct. 28, 2017
Oct. 29, 2016
Oct. 28, 2017
Oct. 29, 2016
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
January 28, 2017, shares     308.3  
January 28, 2017     $ 1,354  
Net income/(loss) $ (128) $ (67) (370) $ (191)
Other comprehensive income/(loss) $ 43 $ 2 70 $ (1)
Stock-based compensation and other     $ 24  
July 29, 2017, shares 311.1 307.8 311.1 307.8
October 28, 2017 $ 1,078   $ 1,078  
Common Stock [Member]        
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
January 28, 2017, shares     308.3  
January 28, 2017     $ 154  
Stock-based compensation, shares     2.8  
Stock-based compensation and other     $ 2  
July 29, 2017, shares 311.1   311.1  
October 28, 2017 $ 156   $ 156  
Additional Paid-in Capital [Member]        
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
January 28, 2017     4,679  
Stock-based compensation and other     22  
October 28, 2017 4,701   4,701  
Reinvested Earnings/(Accumulated Deficit) [Member]        
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
January 28, 2017     (3,006)  
Net income/(loss)     (370)  
October 28, 2017 (3,376)   (3,376)  
Accumulated Other Comprehensive Income/(Loss) [Member]        
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
January 28, 2017     (473)  
Other comprehensive income/(loss)     70  
October 28, 2017 $ (403)   $ (403)