Annual report pursuant to Section 13 and 15(d)

Earnings Per Common Share (Details)

v2.4.0.6
Earnings Per Common Share (Details) (USD $)
In Millions, except Share data, unless otherwise specified
 12 Months Ended 9 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2012
Stock Options [Member]
Dec. 31, 2011
Stock Options [Member]
Dec. 31, 2010
Stock Options [Member]
Dec. 31, 2012
Warrant [Member]
Dec. 31, 2011
Warrant [Member]
Dec. 31, 2010
Warrant [Member]
Dec. 31, 2012
Series L Preferred Stock [Member]
Convertible Preferred Stock Subject to Mandatory Redemption [Member]
Dec. 31, 2011
Series L Preferred Stock [Member]
Convertible Preferred Stock Subject to Mandatory Redemption [Member]
Dec. 31, 2010
Series L Preferred Stock [Member]
Convertible Preferred Stock Subject to Mandatory Redemption [Member]
Dec. 31, 2012
Series T Preferred Stock [Member]
Dec. 31, 2011
Series T Preferred Stock [Member]
Sep. 30, 2012
Exchange Agreements [Member]
Non-Convertible Preferred Stock and Trust Preferred Securities [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]                              
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount       163,000,000 217,000,000 271,000,000 272,000,000 272,000,000 272,000,000 62,000,000 66,000,000 107,000,000      
Incremental Common Shares Attributable to Conversion of Preferred Stock                         700,000,000 234,000,000  
Dividends, Preferred Stock, Stock   $ 36                         $ (44)
Earnings (loss) per common share                              
Net income (loss) 4,188 1,446 (2,238)                        
Preferred Stock Dividends (1,428) (1,361) (1,357)                        
Net income (loss) applicable to common shareholders 2,760 85 (3,595)                        
Dividends and undistributed earnings allocated to participating securities (2) (1) (4)                        
Net income (loss) allocated to common shareholders 2,758 84 (3,599)                        
Average common shares issued and outstanding (in thousands) 10,746,028,000 10,142,625,000 9,790,472,000                        
Earnings (loss) per common share $ 0.26 $ 0.01 $ (0.37)                        
Diluted earnings (loss) per common share                              
Net Income (Loss) Applicable to Common Shareholders, Diluted 2,760 85 (3,595)                        
Undistributed Earnings, Diluted (2) (1) (4)                        
Net Income (Loss) allocated to Common Shareholders $ 2,758 $ 84 $ (3,599)                        
Dilutive potential common shares 94,826,000 [1] 112,199,000 [1] 0                        
Total diluted average common shares issued and outstanding (in thousands) 10,840,854,000 10,254,824,000 9,790,472,000                        
Diluted earnings (loss) per common share $ 0.25 $ 0.01 $ (0.37)                        
[1] Includes incremental shares from RSUs, restricted stock, stock options and warrants.