Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Additional Information (Details)

v3.2.0.727
Commitments and Contingencies - Additional Information (Details)
 3 Months Ended 6 Months Ended
May. 20, 2015
USD ($)
Jun. 30, 2015
USD ($)
Jun. 30, 2014
USD ($)
Jun. 30, 2015
USD ($)
trust
Jun. 30, 2014
USD ($)
May. 19, 2015
opt_out_suit
Dec. 31, 2014
USD ($)
Operating Leases, Future Minimum Payments Due [Abstract]              
Remainder of 2015   $ 1,300,000,000   $ 1,300,000,000      
2016   2,400,000,000   2,400,000,000      
2017   2,000,000,000   2,000,000,000      
2018   1,600,000,000   1,600,000,000      
2019   1,300,000,000   1,300,000,000      
Thereafter   5,300,000,000   5,300,000,000      
Notional amount of derivatives   1,055,701,000,000   1,055,701,000,000     $ 1,134,132,000,000
Litigation expense   175,000,000 $ 4,000,000,000 545,000,000 $ 10,000,000,000    
Minimum estimate range of possible loss   0   0      
Maximum estimated range of possible loss   2,300,000,000.0   2,300,000,000.0      
Commercial Banks              
Operating Leases, Future Minimum Payments Due [Abstract]              
Notional amount of derivatives   464,000,000   464,000,000     527,000,000
Unconsolidated VIEs              
Operating Leases, Future Minimum Payments Due [Abstract]              
Notional amount of derivatives   998,000,000   998,000,000     1,200,000,000
Life Insurance Book Value Protection              
Operating Leases, Future Minimum Payments Due [Abstract]              
Notional amount of derivatives   13,700,000,000   13,700,000,000     13,600,000,000
Maximum potential exposure   3,100,000,000   3,100,000,000     3,100,000,000
Net fair value of bank-owned life insurance book value protection   16,000,000   16,000,000     25,000,000
Other Guarantee              
Operating Leases, Future Minimum Payments Due [Abstract]              
Maximum potential exposure   6,100,000,000   6,100,000,000     6,200,000,000
Loan Commitments              
Loss Contingencies [Line Items]              
Other commitments   1,500,000,000   1,500,000,000     1,800,000,000
Commodities Investment              
Loss Contingencies [Line Items]              
Other commitments   3,000,000,000   3,000,000,000     241,000,000
Forward-Dated Resale and Securities Borrowing Agreements              
Loss Contingencies [Line Items]              
Other commitments   95,000,000,000   95,000,000,000     73,200,000,000
Forward-Dated Repurchase and Securities Lending Agreements              
Loss Contingencies [Line Items]              
Other commitments   81,000,000,000   81,000,000,000     55,800,000,000
Payment Protection Insurance              
Operating Leases, Future Minimum Payments Due [Abstract]              
Loss contingency accrual   205,000,000   205,000,000     $ 378,000,000
Provision   $ 16,000,000 43,000,000 $ 16,000,000 184,000,000    
Merchant Servicing Joint Venture              
Operating Leases, Future Minimum Payments Due [Abstract]              
Equity method investment ownership percentage   49.00%   49.00%     49.00%
Merchant Processing Servicers, Sponsored Entities              
Operating Leases, Future Minimum Payments Due [Abstract]              
Transactions processed and settled by sponsored entities   $ 171,000,000,000 164,300,000,000 $ 325,600,000,000 313,700,000,000    
Losses as result of cardholder disputed transactions   6,000,000 $ 4,000,000 10,000,000 $ 8,000,000    
Merchant escrow deposits held as collateral   164,000,000   164,000,000     $ 130,000,000
Merchant Processing Servicers, Sponsored Entities | Merchant Services              
Operating Leases, Future Minimum Payments Due [Abstract]              
Maximum potential exposure   $ 262,400,000,000   $ 262,400,000,000     $ 269,300,000,000
Interchange and Related Litigation              
Operating Leases, Future Minimum Payments Due [Abstract]              
Litigation settlement, number of opt-out suits settled | opt_out_suit           1  
Litigation settlement, number of opt-out suits | opt_out_suit           2  
LIBOR, Other Reference Rate, and Foreign Exchange Litigation              
Operating Leases, Future Minimum Payments Due [Abstract]              
Litigation settlement $ 205,000,000            
Mortgage Repurchase Litigation              
Operating Leases, Future Minimum Payments Due [Abstract]              
Number of trusts with complaints served | trust       4      
Mortgage repurchase trusts in litigation | trust       7      
Number of trusts without complaints served | trust       3