XML 60 R48.htm IDEA: XBRL DOCUMENT v3.10.0.1
Long-term Debt (Issuance And Repurchase Of Notes) (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Feb. 03, 2018
Nov. 03, 2018
Oct. 28, 2017
Debt Instrument, Repurchase Amount   $ 52 $ 0
Fixed Rate 8.50% Notes Due June 2019 [Member]      
Extinguishment of Debt, Amount $ 500    
Debt Instrument, Repurchase Amount 540    
Gain (Loss) on Extinguishment of Debt (45)    
Extinguishment of Debt, Gain (Loss), Net of Tax (29)    
Fixed Rate 5.25% Notes Due February 2028 [Member]      
Debt Instrument, Face Amount $ 500    
Debt instrument, stated rate 5.25%    
Proceeds from Debt, Net of Issuance Costs $ 495    
Payments of Debt Issuance Costs $ 5