Quarterly report pursuant to Section 13 or 15(d)

Outstanding Loans and Leases and Allowance for Credit Losses - Home Equity - Credit Quality Indicators Including Vintage (Details)

v3.22.2.2
Outstanding Loans and Leases and Allowance for Credit Losses - Home Equity - Credit Quality Indicators Including Vintage (Details) - USD ($)
$ in Millions
Sep. 30, 2022
Dec. 31, 2021
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and leases $ 1,032,466 $ 979,124
Consumer real estate    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and leases 26,845 27,935
Consumer real estate | Less than 620    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and leases 689 893
Consumer real estate | Greater than or equal to 620 and less than 680    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and leases 1,210 1,434
Consumer real estate | Greater than or equal to 680 and less than 740    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and leases 4,228 4,625
Consumer real estate | Greater than or equal to 740    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and leases 20,718 20,983
Consumer real estate | Home Equity Loans and Reverse Mortgages    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and leases 1,472 1,913
Consumer real estate | Home Equity Loans and Reverse Mortgages | Less than 620    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and leases 177 244
Consumer real estate | Home Equity Loans and Reverse Mortgages | Greater than or equal to 620 and less than 680    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and leases 167 222
Consumer real estate | Home Equity Loans and Reverse Mortgages | Greater than or equal to 680 and less than 740    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and leases 355 468
Consumer real estate | Home Equity Loans and Reverse Mortgages | Greater than or equal to 740    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and leases 773 979
Consumer real estate | Reverse Mortgages    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and leases 1,200 1,300
Consumer real estate | Home Equity Loan no Longer Originated    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and leases 450 582
Consumer real estate | Revolving Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Revolving Loans 19,866 19,183
Consumer real estate | Revolving Loans | Less than 620    
Financing Receivable, Credit Quality Indicator [Line Items]    
Revolving Loans 175 209
Consumer real estate | Revolving Loans | Greater than or equal to 620 and less than 680    
Financing Receivable, Credit Quality Indicator [Line Items]    
Revolving Loans 475 495
Consumer real estate | Revolving Loans | Greater than or equal to 680 and less than 740    
Financing Receivable, Credit Quality Indicator [Line Items]    
Revolving Loans 2,550 2,493
Consumer real estate | Revolving Loans | Greater than or equal to 740    
Financing Receivable, Credit Quality Indicator [Line Items]    
Revolving Loans 16,666 15,986
Consumer real estate | Revolving Loans Converted to Term Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Revolving Loans Converted to Term Loans 5,507 6,839
Consumer real estate | Revolving Loans Converted to Term Loans | Less than 620    
Financing Receivable, Credit Quality Indicator [Line Items]    
Revolving Loans Converted to Term Loans 337 440
Consumer real estate | Revolving Loans Converted to Term Loans | Greater than or equal to 620 and less than 680    
Financing Receivable, Credit Quality Indicator [Line Items]    
Revolving Loans Converted to Term Loans 568 717
Consumer real estate | Revolving Loans Converted to Term Loans | Greater than or equal to 680 and less than 740    
Financing Receivable, Credit Quality Indicator [Line Items]    
Revolving Loans Converted to Term Loans 1,323 1,664
Consumer real estate | Revolving Loans Converted to Term Loans | Greater than or equal to 740    
Financing Receivable, Credit Quality Indicator [Line Items]    
Revolving Loans Converted to Term Loans 3,279 4,018
Less than or equal to 90 percent | Consumer real estate    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and leases 26,662 27,594
Less than or equal to 90 percent | Consumer real estate | Home Equity Loans and Reverse Mortgages    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and leases 1,406 1,773
Less than or equal to 90 percent | Consumer real estate | Revolving Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Revolving Loans 19,805 19,095
Less than or equal to 90 percent | Consumer real estate | Revolving Loans Converted to Term Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Revolving Loans Converted to Term Loans 5,451 6,726
Greater than 90 percent but less than or equal to 100 percent | Consumer real estate    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and leases 68 130
Greater than 90 percent but less than or equal to 100 percent | Consumer real estate | Home Equity Loans and Reverse Mortgages    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and leases 25 55
Greater than 90 percent but less than or equal to 100 percent | Consumer real estate | Revolving Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Revolving Loans 24 34
Greater than 90 percent but less than or equal to 100 percent | Consumer real estate | Revolving Loans Converted to Term Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Revolving Loans Converted to Term Loans 19 41
Greater than 100 percent | Consumer real estate    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and leases 115 211
Greater than 100 percent | Consumer real estate | Home Equity Loans and Reverse Mortgages    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and leases 41 85
Greater than 100 percent | Consumer real estate | Revolving Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Revolving Loans 37 54
Greater than 100 percent | Consumer real estate | Revolving Loans Converted to Term Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Revolving Loans Converted to Term Loans $ 37 $ 72