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Share-Based Compensation (Tables)
 12 Months Ended
Feb. 01, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Share-Based Compensation Expense
Share-based compensation expense is as follows:
  
 
Fiscal Year
($ in millions)
 
2013
 
2012
 
2011
Stock units
 
$
99

 
$
92

 
$
39

Stock options
 
12

 
17

 
15

Employee stock purchase plan
 
5

 
4

 
4

Share-based compensation expense
 
116

 
113

 
58

Less: Income tax benefit
 
(45
)
 
(44
)
 
(23
)
Share-based compensation expense, net of tax
 
$
71

 
$
69

 
$
35
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding and Exercisable [Table Text Block]
Information about stock options outstanding, vested or expected to vest, and exercisable as of February 1, 2014 is as follows:
 
 
Options Outstanding
 
Options Exercisable
Range of Exercise Prices
 
Number of
Shares as of
February 1, 2014
 
Weighted-
Average
Remaining
Contractual
Life (in years)
 
Weighted-
Average
Exercise Price
 
Number of
Shares as of
February 1, 2014
 
Weighted-
Average
Exercise Price
$11.77-$18.91
 
1,501,474

 
3.66
 
$
17.35

 
1,490,849

 
$
17.36

$19.00-$21.63
 
695,652

 
1.85
 
$
20.80

 
672,152

 
$
20.85

$21.79
 
1,481,784

 
7.10
 
$
21.79

 
474,487

 
$
21.79

$21.88-$25.09
 
1,970,612

 
7.14
 
$
24.37

 
443,425

 
$
23.48

$27.43-$43.31
 
1,750,300

 
9.04
 
$
36.17

 
89,800

 
$
34.97

 
 
7,399,822

 
6.38
 
$
24.89

 
3,170,713

 
$
20.12

Vested or expected to vest as of February 1, 2014
 
6,698,572

 
6.19
 
$
24.46

 
 
 
 
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
The fair value of stock options issued during fiscal 2013, 2012, and 2011 was estimated on the date of grant using the following assumptions:
 
 
Fiscal Year
 
 
2013
 
2012
 
2011
Expected term (in years)
 
4.5

 
4.6

 
4.9

Expected volatility
 
31.5
%
 
33.6
%
 
30.6
%
Dividend yield
 
1.7
%
 
2.1
%
 
2.1
%
Risk-free interest rate
 
0.7
%
 
1.0
%
 
2.3
%
Stock Options [Member]
  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Additional Information About Stock Unit Activity [Table Text Block]
A summary of additional information about stock options is as follows: 
 
 
Fiscal Year
 
 
2013
 
2012
 
2011
Weighted-average fair value per share of stock options granted
 
$
8.25

 
$
6.35

 
$
5.28

Aggregate intrinsic value of stock options exercised (in millions)
 
$
125

 
$
94

 
$
19

Fair value of stock options vested (in millions)
 
$
14

 
$
15

 
$
15
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
A summary of stock option activity under the 2011 Plan and the 2002 Plan for fiscal 2013 is as follows:
 
 
Shares
 
Weighted-
Average
Exercise Price
Balance as of February 2, 2013
 
12,800,355

 
$
20.56

Granted
 
1,498,050

 
$
36.54

Exercised
 
(6,151,766
)
 
$
18.75

Forfeited/Expired
 
(746,817
)
 
$
24.77

Balance as of February 1, 2014
 
7,399,822

 
$
24.89
Stock Units [Member]
  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Additional Information About Stock Unit Activity [Table Text Block]
A summary of additional information about Stock Units is as follows:
 
 
Fiscal Year
 
 
2013
 
2012
 
2011
Weighted-average fair value per share of Stock Units granted
 
$
36.15

 
$
24.95

 
$
20.19

Grant-date fair value of Stock Units vested (in millions)
 
$
63

 
$
50

 
$
58
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
A summary of Stock Unit activity under the 2011 Plan for fiscal 2013 is as follows:
 
 
Shares
 
Weighted-Average
Grant-Date
Fair Value
Balance as of February 2, 2013
 
9,365,435

 
$
22.62

Granted
 
2,345,598

 
$
36.84

Granted, with vesting subject to performance conditions
 
1,602,859

 
$
35.15

Vested
 
(3,031,421
)
 
$
20.69

Forfeited
 
(1,621,836
)
 
$
29.10

Balance as of February 1, 2014
 
8,660,635

 
$
28.25