Annual report pursuant to Section 13 and 15(d)

Outstanding Loans and Leases - Consumer Real Estate - Modification Programs (Details)

v3.10.0.1
Outstanding Loans and Leases - Consumer Real Estate - Modification Programs (Details) - Consumer real estate - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Financing Receivable, Modifications [Line Items]      
Total modifications $ 999 $ 1,302 $ 1,666
Modifications under government programs      
Financing Receivable, Modifications [Line Items]      
Total modifications 61 85 187
Modifications under proprietary programs      
Financing Receivable, Modifications [Line Items]      
Total modifications 523 437 422
Trial modifications      
Financing Receivable, Modifications [Line Items]      
Total modifications 285 569 831
Loans discharged in Chapter 7 bankruptcy      
Financing Receivable, Modifications [Line Items]      
Total modifications 130 211 226
Contractual interest rate reduction | Modifications under government programs      
Financing Receivable, Modifications [Line Items]      
Total modifications 19 59 151
Contractual interest rate reduction | Modifications under proprietary programs      
Financing Receivable, Modifications [Line Items]      
Total modifications 209 281 235
Capitalization of past due amounts | Modifications under proprietary programs      
Financing Receivable, Modifications [Line Items]      
Total modifications 96 63 40
Principal and/or interest forbearance | Modifications under government programs      
Financing Receivable, Modifications [Line Items]      
Total modifications 0 4 13
Principal and/or interest forbearance | Modifications under proprietary programs      
Financing Receivable, Modifications [Line Items]      
Total modifications 51 38 72
Other modifications | Modifications under government programs      
Financing Receivable, Modifications [Line Items]      
Total modifications 42 22 23
Other modifications | Modifications under proprietary programs      
Financing Receivable, Modifications [Line Items]      
Total modifications 167 $ 55 $ 75
Hurricane-Related Modifications | Modifications under government programs      
Financing Receivable, Modifications [Line Items]      
Total modifications $ 198