XML 67 R57.htm IDEA: XBRL DOCUMENT v2.4.0.6
Share - Based Compensation (Tables)
 12 Months Ended
Dec. 31, 2011
Share-based Compensation [Abstract]  
Restricted stock units activity [Table Text Block]
RSU-stock activity during 2011 was as follows:
 
Shares
 (millions)
 
Weighted-
Average Grant-
Date Fair Value
 
Aggregate
Intrinsic Value
(millions)
Outstanding, beginning of year
72.4

 
$
3.96

 
 
Granted
8.6

 
14.47

 
 
Vested
(44.4
)
 
3.19

 
 
Forfeited
(0.5
)
 
11.03

 
 
Outstanding, end of year
36.1

 
7.31

 
$
388.4

RSU-stock expected to vest
35.5

 
N/A

 
381.9
Fair and intrinsic value of restricted stock units [Table Text Block]
Intrinsic value of RSU-stock is measured by applying the closing stock price as of December 31 to the applicable number of units.  The fair value and intrinsic value of RSU-stock during 2011, 2010, and 2009 were as follows (in millions, except RSU-stock per unit amounts):
 
2011
 
2010
 
2009
Fair value
 
 
 
 
 
Granted
$
123

 
$
130

 
$
171

Weighted average for multiple grant dates (per unit)
14.47

 
12.69

 
2.13

Vested
141

 
112

 
66

Intrinsic value
 

 
 

 
 

Vested
478

 
522

 
95
Compensation cost of RSU-stock [Table Text Block]
Compensation cost for RSU-stock was as follows (in millions):
 
2011
 
2010
 
2009
Compensation cost (a)
$
84

 
$
138

 
$
117

__________
(a)
Net of tax benefit of $49 million, $0, and $0 in 2011, 2010, and 2009, respectively.
Stock options activity [Table Text Block]
Stock option activity was as follows:
 
2011
 
2010
 
2009
 
Shares
(millions)
 
Weighted-
Average
Exercise
Price
 
Shares
(millions)
 
Weighted-
Average
Exercise
Price
 
Shares
(millions)
 
Weighted-
Average
Exercise
Price
Outstanding, beginning of year
172.5

 
$
13.07

 
225.4

 
$
13.36

 
226.2

 
$
16.37

Granted
4.4

 
14.76

 
6.7

 
12.75

 
26.5

 
2.06

Exercised (a)
(8.2
)
 
9.25

 
(36.5
)
 
8.41

 
(1.3
)
 
7.35

Forfeited (including expirations)
(24.3
)
 
29.18

 
(23.1
)
 
23.18

 
(26.0
)
 
28.28

Outstanding, end of year
144.4

 
10.63

 
172.5

 
13.07

 
225.4

 
13.36

Exercisable, end of year
126.8

 
11.00

 
143.7

 
14.63

 
185.0

 
15.47

__________
(a)
Exercised at option price ranging from $1.96 to $16.91 during 2011, option price ranging from $1.96 to $16.91 during 2010, and option price ranging from $5.49 to $7.83 during 2009.
Fair value of vested stock options [Table Text Block]
The total grant date fair value of options that vested during the years ended December 31 was as follows (in millions):
 
2011
 
2010
 
2009
Fair value of vested options
$
36

 
$
37

 
$
41
Intrinsic value of stock options [Table Text Block]

The intrinsic value for vested and unvested options during the years ended December 31 was as follows (in millions):
 
2011
 
2010
 
2009
Intrinsic value of vested options (a)
$
257

 
$
623

 
$
132

Intrinsic value of unvested options (after forfeitures) (a)
74

 
324

 
246

__________
(a)
The intrinsic value for stock options is measured by comparing the awarded option price to the closing stock price at December 31
Compensation cost of stock options [Table Text Block]
Compensation cost for stock options was as follows (in millions):
 
2011
 
2010
 
2009
Compensation cost (a)
$
30

 
$
34

 
$
29

__________
(a)
Net of tax benefit of $17 million, $0, and $0 in 2011, 2010, and 2009, respectively.
Rollforward of non-vested shares [Table Text Block]
A summary of the status of our non-vested shares and changes during 2011 follows:
 
Shares
(millions)
 
Weighted-
Average Grant-
Date Fair Value
Non-vested, beginning of year
28.8

 
$
2.77

Granted
4.4

 
8.48

Vested
(15.1
)
 
2.43

Forfeited
(0.5
)
 
2.79

Non-vested, end of year
17.6

 
4.49
Fair value of stock options [Table Text Block]
The estimated fair value of stock options at the time of grant using the Black-Scholes option-pricing model was as follows:
 
2011
 
2010
 
2009
Fair value per stock option
$
8.48

 
$
7.21

 
$
1.07

Assumptions:
 

 
 

 
 

Annualized dividend yield
—
%
 
—
%
 
—
%
Expected volatility
53.2
%
 
53.4
%
 
52.0
%
Risk-free interest rate
3.2
%
 
3.0
%
 
2.7
%
Expected stock option term (in years)
7.1

 
6.9

 
6.0
Stock option exercise price ranges [Table Text Block]
Details on various stock option exercise price ranges are as follows:
 
Outstanding Options
 
Exercisable Options
Range of Exercise Prices
Shares
(millions)
 
Weighted-
Average Life
(years)
 
Weighted-
Average
Exercise
Price
 
Shares
(millions)
 
Weighted-
Average
Exercise
Price
$1.96 – $2.84
22.4

 
7.20

 
$
2.10

 
13.7

 
$
2.11

$5.11 – $10.18
41.5

 
4.21

 
7.42

 
41.5

 
7.42

$11.10 – $15.98
48.3

 
3.85

 
13.20

 
39.4

 
13.08

$16.09 – $17.05
32.2

 
0.30

 
16.88

 
32.2

 
16.88

Total stock options
144.4

 
 

 
 

 
126.8

 
 
Other share-based compensation cost [Table Text Block]
Other share-based compensation cost was as follows (in millions):
 
2011
 
2010
 
2009
Compensation cost (a)
$
(9
)
 
$
6

 
$
11

__________
(a)
Net of tax of $3 million, $0, and $0 in 2011, 2010, and 2009, respectively.