Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Other Guarantees (Details)

v3.10.0.1
Commitments and Contingencies - Other Guarantees (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Merchant Servicing Joint Venture    
Loss Contingencies [Line Items]    
Equity method investment ownership percentage 49.00%  
Carrying value of investment $ 2,800 $ 2,900
Merchant Processing Servicers, Sponsored Entities    
Loss Contingencies [Line Items]    
Transactions processed and settled by sponsored entities 874,300 812,200
Losses as result of cardholder disputed transactions 31 28
Life Insurance Book Value Protection    
Loss Contingencies [Line Items]    
Notional amount of derivatives 9,800 10,400
Maximum potential exposure 1,500 1,600
Merchant Services | Merchant Processing Servicers, Sponsored Entities    
Loss Contingencies [Line Items]    
Maximum potential exposure 348,100 346,400
Other Guarantee    
Loss Contingencies [Line Items]    
Maximum potential exposure $ 5,900 $ 5,900