Quarterly report pursuant to Section 13 or 15(d)

Earnings Per Common Share (Details Textual)

 v2.3.0.11
Earnings Per Common Share (Details Textual)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Jun. 30, 2011
Jun. 30, 2010
Earnings Per Common Share (Textual) [Abstract]        
Average warrants to purchase common stock 272 122 272 122
Earnings Per Common Share (Additional) (Textual) [Abstract]        
Preferred Stock Interest Rate 7.25%   7.25%  
Series L Preferred Stock [Member] | Mandatorily Convertible [Member]
       
Earnings Per Common Share (Textual) [Abstract]        
Average options to purchase shares of common stock 67 117 67 117
Stock Options [Member]
       
Earnings Per Common Share (Textual) [Abstract]        
Average options to purchase shares of common stock 215 269 223 277