Quarterly report pursuant to Section 13 or 15(d)

Outstanding Loans and Leases and Allowance for Credit Losses - Nonperforming, Narrative (Details)

v3.20.2
Outstanding Loans and Leases and Allowance for Credit Losses - Nonperforming, Narrative (Details) - USD ($)
$ in Millions
Jun. 30, 2020
Dec. 31, 2019
Financing Receivable, Past Due [Line Items]    
Nonperforming loans and leases $ 4,393 $ 3,552
Commercial portfolio    
Financing Receivable, Past Due [Line Items]    
Nonperforming loans and leases 2,202 1,499
Consumer Portfolio Segment    
Financing Receivable, Past Due [Line Items]    
Nonperforming loans and leases 2,191 2,053
Consumer Portfolio Segment | Residential Mortgage    
Financing Receivable, Past Due [Line Items]    
Nonperforming loans and leases 1,552 1,470
Consumer Portfolio Segment | Residential Mortgage | Cumulative Effect, Period of Adoption, Adjustment    
Financing Receivable, Past Due [Line Items]    
Nonperforming loans and leases 119  
Consumer Portfolio Segment | Home equity lines of credit    
Financing Receivable, Past Due [Line Items]    
Nonperforming loans and leases 594 536
Consumer Portfolio Segment | Home equity lines of credit | Cumulative Effect, Period of Adoption, Adjustment    
Financing Receivable, Past Due [Line Items]    
Nonperforming loans and leases 16  
Federal National Mortgage Association Certificates and Obligations (FNMA) and Federal Home Loan Mortgage Corporation Certificates and Obligations (FHLMC) | Residential Mortgage    
Financing Receivable, Past Due [Line Items]    
Long-term credit protection agreements, amount covered $ 8,600 $ 7,500