Long-Term Debt Long-Term Debt (Tables)
 6 Months Ended
Aug. 01, 2015
Debt Instrument [Line Items]  
Schedule of Debt [Table Text Block]
 
Outstanding Principal
 
Unamortized Debt Issuance Costs
 
Net Carrying Amount
($ in millions)
August 1, 2015
 
August 2, 2014
 
January 31, 2015
 
August 1, 2015
 
August 2, 2014
 
January 31, 2015
 
August 1, 2015
 
August 2, 2014
 
January 31, 2015
5.65% Senior Notes Due 2020(1)
$
400

 
$
400

 
$
400

 
$
4

 
$
5

 
$
5

 
$
396

 
$
395

 
$
395

5.75% Senior Notes Due 2018(1)
300

 
300

 
300

 
1

 
2

 
1

 
299

 
298

 
299

6.375% Senior Notes Due 2036(1)
400

 
400

 
400

 
6

 
7

 
7

 
394

 
393

 
393

6.875% Medium-Term Notes Due 2015
—

 
200

 
—

 
—

 
—

 
—

 
—

 
200

 
—

6.9% Notes Due 2026
2

 
2

 
2

 
—

 
—

 
—

 
2

 
2

 
2

7.125% Debentures Due 2023
10

 
10

 
10

 
—

 
—

 
—

 
10

 
10

 
10

7.4% Debentures Due 2037
326

 
326

 
326

 
1

 
1

 
1

 
325

 
325

 
325

7.625% Notes Due 2097
500

 
500

 
500

 
—

 
—

 
—

 
500

 
500

 
500

7.65% Debentures Due 2016
78

 
200

 
78

 
—

 
—

 
—

 
78

 
200

 
78

7.95% Debentures Due 2017
220

 
285

 
220

 
—

 
—

 
—

 
220

 
285

 
220

8.125% Senior Notes Due 2019
400

 
—

 
400

 
9

 
—

 
10

 
391

 
—

 
390

2013 Term Loan Facility
2,205

 
2,228

 
2,216

 
50

 
67

 
58

 
2,155

 
2,161

 
2,158

2014 Term Loan
495

 
500

 
498

 
12

 
14

 
13

 
483

 
486

 
485

Total debt, excluding capital leases and note payable
$
5,336

 
$
5,351

 
$
5,350

 
$
83

 
$
96

 
$
95

 
$
5,253

 
$
5,255

 
$
5,255

Less: current maturities
 
 
 
 
 
 
 
 
 
 
 
 
28

 
28

 
28

Total long-term debt, excluding capital leases and note payable

 

 

 
 
 
 
 

 
$
5,225

 
$
5,227

 
$
5,227


(1) These debt issuances contain change of control provisions that would obligate us, at the holders’ option, to repurchase the debt at a price equal to 101% of the principal amount of the debt.