Annual report pursuant to Section 13 and 15(d)

Derivatives - Derivative Valuation Adjustments (Details)

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Derivatives - Derivative Valuation Adjustments (Details) (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Derivative [Line Items]      
Increase (Decrease) to Earnings Related to Change in Methodology for Calculating Derivative Valuation Adjustments $ (72,000,000)    
Net Credit Valuation Adjustment Gain (Loss), Excluding Impact of Change in Calculation Methodology 265,000,000    
Net Debit Valuation Adjustment (Gain) Loss, Excluding Impact of Change in Calculation Methodology 508,000,000    
Derivative assets (CVA), Gross 738,000,000 [1] 1,022,000,000 [1] (1,863,000,000) [1]
Derivative assets (CVA), Net (96,000,000) [1] 291,000,000 [1] (606,000,000) [1]
Derivative liabilities (DVA), Gross (39,000,000) [2] (2,212,000,000) [2] 1,385,000,000 [2]
Derivative liabilities (DVA), Net (75,000,000) [2] (2,477,000,000) [2] 1,000,000,000 [2]
Decrease in Derivative Asset Value Related to Cumulative Counterparty Credit Risk Valuation 1,600,000,000 2,400,000,000 2,800,000,000
Decrease in Derivative Liability Value Related to Cumulative Counterparty Credit Risk Valuation 803,000,000 807,000,000 2,406,000,000
Change in Calculation Methodology [Member]
      
Derivative [Line Items]      
Increase (Decrease) in Credit Valuation Adjustment Related to Change in Calculation Methodology 361,000,000    
DVA Change in Calculation Methodology [Member]
      
Derivative [Line Items]      
Increase (Decrease) in Debit Valuation Adjustment Related to Change in Calculation Methodology $ 433,000,000    
[1] At December 31, 2013, 2012 and 2011, the cumulative CVA reduced the derivative assets balance by $1.6 billion, $2.4 billion and $2.8 billion, respectively.
[2] At December 31, 2013, 2012 and 2011, the cumulative DVA reduced the derivative liabilities balance by $803 million, $807 million and $2.4 billion, respectively.