v2.4.0.8
Stock-Based Compensation (Tables)
 12 Months Ended
Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Share-based Compensation Awards, Fair Value Assumptions Used [Table Text Block]
The weighted-average fair values of the SVA units granted during the years ended December 31, 2013, 2012, and 2011 were $45.17, $30.35, and $28.33, respectively, determined using the following assumptions:
(Percents)
2013
 
2012
 
2011
Expected dividend yield
3.50
%
 
4.50
%
 
4.90
%
Risk-free interest rate
.08-.43

 
.10-.36

 
.20-1.36

Range of volatilities
18.95-22.37

 
22.40-25.64

 
27.61-29.10
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
Stock option activity during the year ended December 31, 2013 is summarized below:
 
Shares of
Common Stock
Attributable to
Options
(in thousands)
 
Weighted-Average
Exercise
Price of Options
 
Weighted-Average
Remaining
Contractual Term
(in years)
 
Aggregate
Intrinsic
Value
Outstanding at January 1, 2013
27,232

 
$
63.89

 
 
 
 
Exercised
(208
)
 
54.27

 
 
 
 
Forfeited or expired
(10,884
)
 
59.95

 
 
 
 
Outstanding at December 31, 2013
16,140

 
66.66

 
0.7
 
$
—

Exercisable at December 31, 2013
16,140

 
66.66

 
0.7
 
—
Shareholder Value Awards [Member]
  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Schedule of Share-based Compensation, Activity [Table Text Block]
A summary of the SVA activity is presented below:
Units Attributable to SVAs (in thousands)
2013
 
2012
 
2011
Outstanding at January 1
7,539

 
7,036

 
6,381

Granted
1,795

 
2,439

 
2,561

Issued
(2,397
)
 
(973
)
 
(428
)
Forfeited or expired
(301
)
 
(963
)
 
(1,478
)
Outstanding at December 31
6,636

 
7,539

 
7,036