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Notes Payable and Long-Term Debt (Tables)
6 Months Ended
Aug. 02, 2014
Debt Disclosure [Abstract]  
Commercial Paper
Commercial Paper
Three Months Ended
Six Months Ended
(dollars in millions)
August 2,
2014

 
August 3,
2013

August 2,
2014

 
August 3,
2013

Maximum daily amount outstanding during the period
$
500

 
$
920

$
590

 
$
1,465

Average daily amount outstanding during the period
148

 
301

214

 
394

Amount outstanding at period-end
189

 
807

189

 
807

Weighted average interest rate
0.11
%
 
0.19
%
0.10
%
 
0.14
%