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Notes Payable and Long-Term Debt (Tables)
 3 Months Ended
May 03, 2014
Debt Disclosure [Abstract]  
Commercial Paper
Commercial Paper
Three Months Ended
(dollars in millions)
May 3,
2014

 
May 4,
2013

Maximum daily amount outstanding during the period
$
590

 
$
1,465

Average daily amount outstanding during the period
$
279

 
$
488

Amount outstanding at period-end
$
386

 
—

Weighted average interest rate
0.10
%
 
0.11
%