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Earnings Per Share (EPS) (Tables)
 12 Months Ended
Jan. 31, 2014
Earnings Per Share [Abstract]  
Reconciliation of Income used in Calculating Earnings Per Share
A reconciliation of the income used to compute basic and diluted EPS for the years presented was as follows:
 
Year Ended January 31
 
2014
 
2013
 
2012
 
(in millions)
Basic EPS:
 
 
 
 
 
Income (loss) from continuing operations, as reported
$
84

 
$
324

 
$
(235
)
Less: allocation of distributed and undistributed earnings to participating securities
(3
)
 
(7
)
 
—

Income (loss) from continuing operations, for computing basic EPS
$
81

 
$
317

 
$
(235
)
Net income, as reported
$
164

 
$
525

 
$
59

Less: allocation of distributed and undistributed earnings to participating securities
(3
)
 
(11
)
 
(2
)
Net income, for computing basic EPS
$
161

 
$
514

 
$
57

Diluted EPS:
 
 
 
 
 
Income (loss) from continuing operations, as reported
$
84

 
$
324

 
$
(235
)
Less: allocation of distributed and undistributed earnings to participating securities
(3
)
 
(7
)
 
—

Income (loss) from continuing operations, for computing diluted EPS
$
81

 
$
317

 
$
(235
)
Net income, as reported
$
164

 
$
525

 
$
59

Less: allocation of distributed and undistributed earnings to participating securities
(3
)
 
(11
)
 
(2
)
Net income, for computing diluted EPS
$
161

 
$
514

 
$
57
Reconciliation of Weighted Average Number of Shares Outstanding
 
Year Ended January 31
 
2014
 
2013
 
2012
 
(in millions)
Basic weighted average number of shares outstanding
83

 
83

 
84

Dilutive common share equivalents—stock options and other stock awards
—

 
—

 
—

Diluted weighted average number of shares outstanding
83

 
83

 
84
Schedule Of Basic and Diluted EPS
Basic and diluted EPS for the years presented was as follows:
 
Year Ended January 31
 
2014
 
2013
 
2012
Basic:
 
 
 
 
 
Income (loss) from continuing operations
$
0.98

 
$
3.82

 
$
(2.80
)
Income from discontinued operations
0.96

 
2.37

 
3.48

 
$
1.94

 
$
6.19

 
$
0.68

Diluted:
 
 
 
 
 
Income (loss) from continuing operations
$
0.98

 
$
3.82

 
$
(2.80
)
Income from discontinued operations
0.96

 
2.37

 
3.48

 
$
1.94

 
$
6.19

 
$
0.68
Schedule Of Stock-Based Awards Excluded from Weighted Average Shares Outstanding
The following anti-dilutive stock-based awards were excluded from the weighted average number of shares outstanding used to compute basic and diluted EPS for the years presented:
 
Year Ended January 31
 
2014
 
2013
 
2012
 
(in millions)
Antidilutive stock options excluded
5

 
5

 
5

Vesting stock awards excluded
4

 
—

 
—