Annual report pursuant to Section 13 and 15(d)

Derivatives - Narrative (Details)

v3.3.1.900
Derivatives - Narrative (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Derivative [Line Items]        
Shareholders’ equity $ 256,205 $ 243,471 $ 232,685 $ 236,956
Net losses in AOCI expected to be reclassified 563      
Net losses in AOCI expected to be reclassified, after tax $ 352      
Terminated cash flow hedges, forecasted transaction hedging period 7 years      
Terminated cash flow hedges, maximum forecasted transaction hedging period 20 years      
Cumulative funding valuation adjustment $ 481 497    
Funding valuation adjustment on derivative asset, net (34) (632)    
Funding valuation adjustment on derivative liabilities, net 50 135    
Credit derivatives        
Derivative [Line Items]        
Derivative asset 24      
Derivative liability 29      
Cash and securities held as collateral 78,900 82,000    
Cash and securities collateral posted 62,700 67,900    
Collateral not yet posted 2,900      
Aggregate fair value of derivative liability 69      
Credit derivatives | Bank of America, N.A.        
Derivative [Line Items]        
Collateral not yet posted 1,600      
Credit derivatives | Purchased credit derivatives        
Derivative [Line Items]        
Carrying value of written credit derivatives 8,200 5,700    
Notional amount of written credit derivatives 706,000 880,600    
Foreign Mortgage-backed Securities and Foreign Securities        
Derivative [Line Items]        
Transfer of mortgage-backed securities to third-party trust 7,900      
Gross cash proceeds from transfer of securities 7,900      
Fair value of securities transferred 7,200      
Derivatives        
Derivative [Line Items]        
Shareholders’ equity $ (1,077) $ (1,661) $ (2,277) $ (2,869)