Quarterly report pursuant to Section 13 or 15(d)

Outstanding Loans and Leases - Consumer Real Estate - TDRs Entered into During the Period (Details)

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Outstanding Loans and Leases - Consumer Real Estate - TDRs Entered into During the Period (Details) - Consumer real estate - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Unpaid Principal Balance $ 145 $ 198
Carrying Value $ 123 $ 160
Pre-Modification Interest Rate 4.15% 4.52%
Post-Modification Interest Rate 4.06% 4.46%
Residential Mortgage    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Unpaid Principal Balance $ 122 $ 135
Carrying Value $ 103 $ 112
Pre-Modification Interest Rate 4.04% 4.19%
Post-Modification Interest Rate 3.94% 4.27%
Home Equity    
Financing Receivable, Troubled Debt Restructuring [Line Items]    
Unpaid Principal Balance $ 23 $ 63
Carrying Value $ 20 $ 48
Pre-Modification Interest Rate 4.69% 5.23%
Post-Modification Interest Rate 4.68% 4.86%