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Compensation Arrangements Compensation Arrangements Restricted Stock Activity (Tables)
12 Months Ended
Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]
The table below summarizes activity regarding unvested restricted stock units under the Plans for the year ended December 31, 2014:
 
 
Restricted Stock Units
 
Weighted- Average Grant Date Fair Value (per share)
Unvested at December 31, 2013
 
41,648,055

 
$
8.06

    Granted
 
29,568,490

 
$
7.59

    Vested
 
(17,323,096
)
 
$
8.07

    Forfeited
 
(12,555,522
)
 
$
7.96

Unvested at December 31, 2014
 
41,337,927

 
$
7.78