Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Other Guarantees (Details)

v3.20.2
Commitments and Contingencies - Other Guarantees (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2020
Dec. 31, 2019
Loss Contingencies [Line Items]    
Subsidiary, ownership interest, percentage 100.00%  
Merchant Servicing Joint Venture    
Loss Contingencies [Line Items]    
Equity method investment, ownership percentage 49.00%  
Merchant Processing Servicers, Sponsored Entities    
Loss Contingencies [Line Items]    
Transactions processed by sponsored entities $ 311,700  
BofA Finance LLC    
Loss Contingencies [Line Items]    
Subsidiary, ownership interest, percentage 100.00%  
Life Insurance Book Value Protection    
Loss Contingencies [Line Items]    
Notional amount of derivatives $ 7,100 $ 7,300
Maximum potential exposure 1,100 1,100
FICC Repo Program    
Loss Contingencies [Line Items]    
Maximum potential exposure 8,000 9,300
Other Guarantee    
Loss Contingencies [Line Items]    
Maximum potential exposure 9,000 8,700
Representations and Warranties Obligations and Corporate Guarantees    
Loss Contingencies [Line Items]    
Loss contingency accrual $ 1,400 $ 1,800