XML 104 R88.htm IDEA: XBRL DOCUMENT v3.8.0.1
Shareholders' Equity (Deficit) (Narrative) (Details) - USD ($)
shares in Millions, $ in Millions
3 Months Ended 12 Months Ended
Feb. 03, 2018
Feb. 03, 2018
Oct. 28, 2017
Apr. 30, 2016
Aug. 01, 2015
May 02, 2015
Treasury Stock, Shares, Retired 36          
Treasury Stock, Retired, Cost Method, Amount   $ 0        
September 2017 Repurchase Program [Member]            
Stock Repurchase Program, Authorized Amount     $ 250      
June 2015 Repurchase Program [Member]            
Stock Repurchase Program, Authorized Amount         $ 250  
February 2016 Repurchase Program [Member]            
Stock Repurchase Program, Authorized Amount       $ 500    
February 2015 Repurchase Program [Member] [Member]            
Stock Repurchase Program, Authorized Amount           $ 250
Retained Earnings (Accumulated Deficit) [Member]            
Treasury Stock, Retired, Cost Method, Amount   (1,936)        
Paid-in Capital [Member]            
Treasury Stock, Retired, Cost Method, Amount   (82)        
Common Stock [Member]            
Treasury Stock, Retired, Cost Method, Amount   (18)        
Treasury Stock, at Average Cost [Member]            
Treasury Stock, Retired, Cost Method, Amount   $ 2,036