Quarterly report pursuant to Section 13 or 15(d)

Derivatives - Narrative (Details)

v3.3.0.814
Derivatives - Narrative (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2015
Dec. 31, 2014
Sep. 30, 2014
Dec. 31, 2013
Derivative [Line Items]        
Net loss on derivatives in AOCI $ 255,905 $ 243,471 $ 238,681 $ 232,685
Net Losses in AOCI expected to be reclassified to earnings 643      
Net Losses in AOCI expected to be reclassified to earnings, after tax 402      
Credit derivatives        
Derivative [Line Items]        
Derivative assets 137      
Total gross derivative liabilities, before netting 20      
Fair value of derivative 8,600      
Cash and securities held as collateral 80,900 82,000    
Cash and securities collateral posted 61,700 67,700    
Collateral not yet posted 2,800      
Aggregate fair value of derivative liability 369      
Foreign Mortgage-backed Securities and Foreign Securities        
Derivative [Line Items]        
Marketable securities transferred 8,900      
Proceeds from sale of securities 8,900      
Purchased credit derivatives | Credit derivatives        
Derivative [Line Items]        
Carrying value of written credit derivatives 8,400 5,700    
Notional amount of written credit derivatives 812,600 880,600    
Bank of America, N.A. | Credit derivatives        
Derivative [Line Items]        
Collateral not yet posted 1,500      
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges        
Derivative [Line Items]        
Net loss on derivatives in AOCI $ (1,245) $ (1,661) $ (1,866) $ (2,277)