Annual report [Section 13 and 15(d), not S-K Item 405]

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

v3.25.4
Outstanding Loans and Leases and Allowance for Credit Losses - Home Equity - Credit Quality Indicators Including Vintage (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Financing Receivable, Credit Quality Indicator [Line Items]      
Loans and leases $ 1,185,700 $ 1,095,835  
Total gross charge-offs 6,851 7,054 $ 4,817
Consumer real estate      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total gross charge-offs 40 42 $ 103
Consumer real estate | Home equity      
Financing Receivable, Credit Quality Indicator [Line Items]      
Loans and leases 26,823 25,737  
Total gross charge-offs 16 21  
Consumer real estate | Home equity | Less than 620      
Financing Receivable, Credit Quality Indicator [Line Items]      
Loans and leases 701 645  
Consumer real estate | Home equity | Greater than or equal to 620 and less than 660      
Financing Receivable, Credit Quality Indicator [Line Items]      
Loans and leases 595 577  
Consumer real estate | Home equity | Greater than or equal to 660 and less than 740      
Financing Receivable, Credit Quality Indicator [Line Items]      
Loans and leases 5,036 4,911  
Consumer real estate | Home equity | Greater than or equal to 740      
Financing Receivable, Credit Quality Indicator [Line Items]      
Loans and leases 20,491 19,604  
Consumer real estate | Home Equity Loans and Reverse Mortgages      
Financing Receivable, Credit Quality Indicator [Line Items]      
Loans and leases 697 787  
Total gross charge-offs 0 6  
Consumer real estate | Home Equity Loans and Reverse Mortgages | Less than 620      
Financing Receivable, Credit Quality Indicator [Line Items]      
Loans and leases 67 72  
Consumer real estate | Home Equity Loans and Reverse Mortgages | Greater than or equal to 620 and less than 660      
Financing Receivable, Credit Quality Indicator [Line Items]      
Loans and leases 44 46  
Consumer real estate | Home Equity Loans and Reverse Mortgages | Greater than or equal to 660 and less than 740      
Financing Receivable, Credit Quality Indicator [Line Items]      
Loans and leases 173 198  
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 413 471  
Consumer real estate | Reverse Mortgages      
Financing Receivable, Credit Quality Indicator [Line Items]      
Loans and leases 457 500  
Consumer real estate | Home Equity Loan no Longer Originated      
Financing Receivable, Credit Quality Indicator [Line Items]      
Loans and leases 240 287  
Consumer real estate | Revolving Loans      
Financing Receivable, Credit Quality Indicator [Line Items]      
Revolving Loans 23,023 21,526  
Gross charge-offs, Revolving Loans 10 9  
Consumer real estate | Revolving Loans | Less than 620      
Financing Receivable, Credit Quality Indicator [Line Items]      
Revolving Loans 399 320  
Consumer real estate | Revolving Loans | Greater than or equal to 620 and less than 660      
Financing Receivable, Credit Quality Indicator [Line Items]      
Revolving Loans 375 339  
Consumer real estate | Revolving Loans | Greater than or equal to 660 and less than 740      
Financing Receivable, Credit Quality Indicator [Line Items]      
Revolving Loans 4,057 3,779  
Consumer real estate | Revolving Loans | Greater than or equal to 740      
Financing Receivable, Credit Quality Indicator [Line Items]      
Revolving Loans 18,192 17,088  
Consumer real estate | Revolving Loans Converted to Term Loans      
Financing Receivable, Credit Quality Indicator [Line Items]      
Revolving Loans Converted to Term Loans 3,103 3,424  
Gross charge-offs, Revolving Loans Converted to Term Loans 6 6  
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 235 253  
Consumer real estate | Revolving Loans Converted to Term Loans | Greater than or equal to 620 and less than 660      
Financing Receivable, Credit Quality Indicator [Line Items]      
Revolving Loans Converted to Term Loans 176 192  
Consumer real estate | Revolving Loans Converted to Term Loans | Greater than or equal to 660 and less than 740      
Financing Receivable, Credit Quality Indicator [Line Items]      
Revolving Loans Converted to Term Loans 806 934  
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 1,886 2,045  
Less than or equal to 90 percent | Consumer real estate | Home equity      
Financing Receivable, Credit Quality Indicator [Line Items]      
Loans and leases 26,686 25,638  
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 687 780  
Less than or equal to 90 percent | Consumer real estate | Revolving Loans      
Financing Receivable, Credit Quality Indicator [Line Items]      
Revolving Loans 22,909 21,450  
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 3,090 3,408  
Greater than 90 percent but less than or equal to 100 percent | Consumer real estate | Home equity      
Financing Receivable, Credit Quality Indicator [Line Items]      
Loans and leases 70 51  
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 3 4  
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 63 42  
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 4 5  
Greater than 100 percent | Consumer real estate | Home equity      
Financing Receivable, Credit Quality Indicator [Line Items]      
Loans and leases 67 48  
Greater than 100 percent | Consumer real estate | Home Equity Loans and Reverse Mortgages      
Financing Receivable, Credit Quality Indicator [Line Items]      
Loans and leases 7 3  
Greater than 100 percent | Consumer real estate | Revolving Loans      
Financing Receivable, Credit Quality Indicator [Line Items]      
Revolving Loans 51 34  
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 $ 9 $ 11