Annual report pursuant to Section 13 and 15(d)

Shareholders' Equity Shareholders' Equity - Dividends on Commons Stock (Table) (Details)

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Shareholders' Equity Shareholders' Equity - Dividends on Commons Stock (Table) (Details) (USD $)
Share data in Millions, except Per Share data, unless otherwise specified
 0 Months Ended 12 Months Ended 0 Months Ended 12 Months Ended 1 Months Ended 12 Months Ended
Oct. 24, 2013
Jul. 24, 2013
Apr. 30, 2013
Jan. 23, 2013
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Feb. 11, 2014
Dividend Declared [Member]
Dec. 31, 2013
Non-Cumulative Preferred Stock, Series H, J, 6, 7, 8 [Member]
Dec. 31, 2013
Common Stock [Member]
Sep. 30, 2011
Preferred Stock
Dec. 31, 2013
Preferred Stock
Dec. 31, 2012
Preferred Stock
Dec. 31, 2013
Preferred Stock
Non-Cumulative Preferred Stock, Series H, J, 6, 7, 8 [Member]
Dec. 31, 2013
Preferred Stock
Fixed-to-Floating Rate Semi-annual Non-Cumulative Preferred Stock, Series U [Member]
Dec. 31, 2013
Retained Earnings
Dec. 31, 2012
Retained Earnings
Dec. 31, 2011
Retained Earnings
Dividends Payable [Line Items]                                    
Common dividends (in dollars per share) $ 0.01 $ 0.01 $ 0.01 $ 0.01       $ 0.01                    
Stock Repurchase Program, Authorized Amount                   $ 5,000,000,000                
Preferred stock dividends         1,249,000,000 1,472,000,000 1,325,000,000                 1,249,000,000 1,472,000,000 1,325,000,000
Stock Redeemed or Called During Period, Shares                   231.7                
Stock Redeemed or Called During Period, Value         (6,561,000,000)       6,600,000,000 (3,200,000,000)   (6,461,000,000)   (6,500,000,000)   (100,000,000)    
Net Issuance of preferred stock         $ 1,008,000,000 $ 667,000,000         $ 2,900,000,000 $ 1,008,000,000 $ 667,000,000   $ 1,000,000,000