XML 60 R48.htm IDEA: XBRL DOCUMENT v3.5.0.2
Long-term Debt (Issuance And Repurchase Of Notes) (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jul. 30, 2016
Oct. 31, 2015
Jul. 30, 2016
Aug. 01, 2015
Proceeds from Debt, Net of Issuance Costs     $ 692 $ 0
Debt Instrument, Repurchase Amount     742 0
Gains (Losses) on Extinguishment of Debt     (36) 0
Fixed Rate 6.75% Notes Due July 2036 [Member]        
Debt Instrument, Face Amount $ 700   $ 700  
Debt instrument, stated rate 6.75%   6.75%  
Proceeds from Debt, Net of Issuance Costs $ 692      
Debt Issuance Cost 8      
Fixed Rate 6.875% Notes Due November 2035 [Member]        
Debt Instrument, Face Amount   $ 1,000    
Debt instrument, stated rate   6.875%    
Proceeds from Debt, Net of Issuance Costs   $ 988    
Debt Issuance Cost   $ 12    
Fixed Rate 6.90% Notes Due July 2017 [Member]        
Extinguishment of Debt, Amount 700      
Debt Instrument, Repurchase Amount 742      
Gains (Losses) on Extinguishment of Debt 36      
Extinguishment of Debt, Gain (Loss), Net of Tax 22      
Adjustments for New Accounting Pronouncement [Member]        
Unamortized Debt Issuance Expense       $ 39
Interest Rate Swap [Member] | Fixed Rate 6.75% Notes Due July 2036 [Member]        
Derivative, Gain on Derivative $ 7