Stockholders' Equity (Tables)
 3 Months Ended
May 02, 2015
Stockholders' Equity Note [Abstract]  
Schedule of Components in Stockholders' Equity
The following table shows the change in the components of stockholders’ equity for the three months ended May 2, 2015:
 
(in millions)
Number
of
Common
Shares
 
Common
Stock
 
Additional
Paid-in
Capital
 
Reinvested
Earnings/
(Accumulated
Deficit)
 
Accumulated
Other
Comprehensive
Income/(Loss)
 
Total
Stockholders’
Equity
January 31, 2015
304.9

 
$
152

 
$
4,606

 
$
(1,779
)
 
$
(1,065
)
 
$
1,914

Net income/(loss)
—

 
—

 
—

 
(167
)
 
—

 
(167
)
Other comprehensive income/(loss)
—

 
—

 
—

 
—

 
17

 
17

Stock-based compensation
0.6

 
1

 
10

 
—

 
—

 
11

May 2, 2015
305.5

 
$
153

 
$
4,616

 
$
(1,946
)
 
$
(1,048
)
 
$
1,775
Schedule of Tax Effects Allocated to Each Component of Other Comprehensive Income (Loss)
The tax effects allocated to each component of other comprehensive income/(loss) are as follows:

 
Three Months Ended
 
May 2, 2015
 
May 3, 2014
($ in millions)
Gross
Amount
 
Income
Tax
(Expense)/
Benefit
 
Net
Amount
 
Gross
Amount
 
Income
Tax
(Expense)/
Benefit
 
Net
Amount
Retirement benefit plans
 
 
 
 
 
 
 
 
 
 
 
Reclassification for amortization of net actuarial (gain)/loss
$
29

 
$
(12
)
 
$
17

 
$
17

 
$
(6
)
 
$
11

Reclassification for amortization of prior service (credit)/cost
—

 
—

 
—

 
(1
)
 
—

 
(1
)
Total
$
29

 
$
(12
)
 
$
17

 
$
16

 
$
(6
)
 
$
10
Schedule of Changes in Accumulated Other Comprehensive Income (Loss)
The following table shows the changes in accumulated other comprehensive income/(loss) balances for the three months ended May 2, 2015:
 
($ in millions)
Net Actuarial
Gain/(Loss)
 
Prior Service
Credit/(Cost)
 
Foreign Currency Translation
 
Accumulated
Other
Comprehensive
Income/(Loss)
January 31, 2015
$
(1,023
)
 
$
(40
)
 
$
(2
)
 
$
(1,065
)
Amounts reclassified from accumulated other comprehensive income
17

 
—

 
—

 
17

May 2, 2015
$
(1,006
)
 
$
(40
)
 
$
(2
)
 
$
(1,048
)
Schedule Of Reclassifications Out Of Accumulated Other Comprehensive Income (Loss)
Reclassifications out of accumulated other comprehensive income/(loss) are as follows:
 
 
Amount Reclassified from Accumulated Other Comprehensive Income/(Loss)
 
Line Item in the
Unaudited Interim Consolidated
Statements of Operations
 
Three Months Ended
 
($ in millions)
May 2,
2015
 
May 3,
2014
 
Amortization of retirement benefit plans
 
 
 
 
 
Actuarial loss/(gain)(1)
$
29

 
$
17

 
Pension
Prior service cost/(credit)(1)
2

 
1

 
Pension
Prior service cost/(credit)(1)
(2
)
 
(2
)
 
SG&A
Tax (expense)/benefit
(12
)
 
(6
)
 
Income tax expense/(benefit)
Total, net of tax
17

 
10

 
 
Total reclassifications
$
17

 
$
10

 
 
(1)
These accumulated other comprehensive income/(loss) components are included in the computation of net periodic benefit expense/(income). See Note 7 for additional details.