Quarterly report pursuant to Section 13 or 15(d)

Earnings Per Common Share - Basic (Details)

v2.4.0.8
Earnings Per Common Share - Basic (Details) (USD $)
In Millions, except Share data in Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Earnings Per Share [Abstract]        
Preferred Stock Dividends Due to Assumed Conversions $ 75 $ 75 $ 150 $ 150
Earnings (loss) per common share        
Net income (loss) 4,012 2,463 5,495 3,116
Preferred stock dividends (441) (365) (814) (690)
Net income (loss) applicable to common shareholders 3,571 2,098 4,681 2,426
Dividends and undistributed earnings allocated to participating securities (1) (1) (1) (2)
Net income (loss) allocated to common shareholders $ 3,570 $ 2,097 $ 4,680 $ 2,424
Average common shares issued and outstanding (in thousands) 10,775,867 10,775,695 10,787,357 10,714,881
Earnings (loss) per common share $ 0.33 $ 0.19 $ 0.43 $ 0.23