XML 41 R29.htm IDEA: XBRL DOCUMENT v2.4.0.6
Stock Compensation Plans (Tables)
 12 Months Ended
Dec. 31, 2011
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block]
As of December 31, 2011, the Company’s primary types of stock-based compensation were stock options and restricted stock. The Company recorded stock-based compensation expense, the components of which are further described below, for the years ended December 31 as follows:

In millions
 
2011
 
2010
 
2009
Stock options
 
$
6

 
$
6

 
$
14

Restricted stock
 
27

 
15

 
(2
)
Total stock-based compensation (pre-tax)
 
33

 
21

 
12

Tax benefit
 
(10
)
 
(7
)
 
(3
)
Total stock-based compensation (net of tax)
 
$
23

 
$
14

 
$
9
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
The weighted average fair value of option granted was estimated based on the below weighted average assumptions and was $7.38 per share in 2011, $5.49 per share in 2010, and $4.78 per share in 2009.
 
 
2011
 
2010
 
2009
Dividend yield
 
—

 
—

 
—

Risk-free interest rate
 
2.04
%
 
2.27
%
 
1.98
%
Expected volatility
 
40.4
%
 
46.8
%
 
44.1
%
Expected holding period (years)
 
5.1

 
4.8

 
5.0
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
The following table summarizes the Company’s stock option activity for the year ended December 31, 2011:

Shares in thousands
 
Shares Under Option
 
Weighted Average Exercise Price per Share
 
Weighted Average Remaining Contractual Term (in years)
 
Aggregate Intrinsic Value (in millions)
Outstanding as of January 1
 
9,559

 
$
15.72

 
 
 
 
Granted
 
118

 
$
19.15

 
 
 
 
Exercised
 
(1,154
)
 
$
11.82

 
 
 
 
Forfeited or expired
 
(367
)
 
$
17.95

 
 
 
 
Outstanding as of December 31
 
8,156

 
$
16.23

 
4.99
 
$
17

Fully vested and expected to vest as of December 31
 
8,030

 
$
16.25

 
4.95
 
$
17

Exercisable as of December 31
 
6,707

 
$
16.49

 
4.41
 
$
13
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]
The following table reports restricted stock activity during the year ended December 31, 2011:

Shares in thousands
 
Number of Shares
 
Weighted Average Grant-Date Fair Value per Share
Unvested shares as of January 1
 
3,827

 
$
13.79

Shares granted
 
2,449

 
$
18.84

Shares vested
 
(77
)
 
$
14.31

Shares forfeited
 
(815
)
 
$
19.44

Unvested shares as of December 31
 
5,384

 
$
15.22

The following table represents the composition of restricted stock grants in 2011:

Shares in thousands
 
Number of Shares
 
Weighted Average Grant-Date Fair Value
Service-based shares
 
1,430

 
$
18.50

Performance-based shares
 
1,019

 
$
19.32

Total restricted stock grants
 
2,449

 
$
18.84