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Loans and Related Allowance for Credit Losses (Home Equity and Residential Real Estate Credit Quality Indicators) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |  |  |  |
Total loans, net | [1] | $ 326,616 |  | $ 326,616 |  | $ 316,467
Gross charge-offs |  |  |  |  |  |
Total |  | 284 | $ 376 | 920 | $ 1,081 |
Residential real estate |  |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |  |  |  |
Year one |  | 1,646 |  | 1,646 |  | 2,645
Year two |  | 2,116 |  | 2,116 |  | 4,595
Year three |  | 4,061 |  | 4,061 |  | 9,512
Year four |  | 8,985 |  | 8,985 |  | 14,637
Year five |  | 13,954 |  | 13,954 |  | 6,344
Prior |  | 13,875 |  | 13,875 |  | 8,682
Revolving Loans |  | 0 |  | 0 |  | 0
Revolving Loans Converted to Term |  | 0 |  | 0 |  | 0
Total loans, net |  | 44,637 |  | 44,637 |  | 46,415
Gross charge-offs |  |  |  |  |  |
Year one |  |  |  | 0 |  | 0
Year two |  |  |  | 1 |  | 0
Year three |  |  |  | 1 |  | 0
Year four |  |  |  | 3 |  | 1
Year five |  |  |  | 2 |  | 0
Prior |  |  |  | 1 |  | 2
Revolving Loans |  |  |  | 0 |  | 0
Revolving Loans Converted to Term |  |  |  | 0 |  | 0
Total |  |  |  | 8 |  | 3
Home equity |  |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |  |  |  |
Year one |  | 0 |  | 0 |  | 0
Year two |  | 0 |  | 0 |  | 0
Year three |  | 0 |  | 0 |  | 0
Year four |  | 0 |  | 0 |  | 147
Year five |  | 135 |  | 135 |  | 1,713
Prior |  | 4,012 |  | 4,012 |  | 2,854
Revolving Loans |  | 9,057 |  | 9,057 |  | 8,373
Revolving Loans Converted to Term |  | 12,738 |  | 12,738 |  | 12,904
Total loans, net |  | 25,942 |  | 25,942 |  | 25,991
Gross charge-offs |  |  |  |  |  |
Year one |  |  |  | 0 |  | 0
Year two |  |  |  | 0 |  | 0
Year three |  |  |  | 0 |  | 0
Year four |  |  |  | 0 |  | 0
Year five |  |  |  | 0 |  |
Prior |  |  |  | 0 |  | 1
Revolving Loans |  |  |  | 10 |  | 16
Revolving Loans Converted to Term |  |  |  | 18 |  | 19
Total |  |  |  | 28 |  | 36
Greater than or equal to 780 | Residential real estate |  |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |  |  |  |
Year one |  | 987 |  | 987 |  | 1,730
Year two |  | 1,578 |  | 1,578 |  | 3,264
Year three |  | 2,899 |  | 2,899 |  | 7,584
Year four |  | 7,257 |  | 7,257 |  | 11,723
Year five |  | 11,179 |  | 11,179 |  | 4,683
Prior |  | 8,831 |  | 8,831 |  | 4,858
Revolving Loans |  | 0 |  | 0 |  | 0
Revolving Loans Converted to Term |  | 0 |  | 0 |  | 0
Total loans, net |  | 32,731 |  | 32,731 |  | 33,842
Greater than or equal to 780 | Home equity |  |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |  |  |  |
Year one |  | 0 |  | 0 |  | 0
Year two |  | 0 |  | 0 |  | 0
Year three |  | 0 |  | 0 |  | 0
Year four |  | 0 |  | 0 |  | 94
Year five |  | 88 |  | 88 |  | 1,145
Prior |  | 2,572 |  | 2,572 |  | 1,753
Revolving Loans |  | 5,198 |  | 5,198 |  | 4,720
Revolving Loans Converted to Term |  | 6,043 |  | 6,043 |  | 6,211
Total loans, net |  | 13,901 |  | 13,901 |  | 13,923
720 to 779 | Residential real estate |  |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |  |  |  |
Year one |  | 577 |  | 577 |  | 789
Year two |  | 422 |  | 422 |  | 805
Year three |  | 675 |  | 675 |  | 1,406
Year four |  | 1,205 |  | 1,205 |  | 2,035
Year five |  | 1,934 |  | 1,934 |  | 1,004
Prior |  | 2,301 |  | 2,301 |  | 1,567
Revolving Loans |  | 0 |  | 0 |  | 0
Revolving Loans Converted to Term |  | 0 |  | 0 |  | 0
Total loans, net |  | 7,114 |  | 7,114 |  | 7,606
720 to 779 | Home equity |  |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |  |  |  |
Year one |  | 0 |  | 0 |  | 0
Year two |  | 0 |  | 0 |  | 0
Year three |  | 0 |  | 0 |  | 0
Year four |  | 0 |  | 0 |  | 34
Year five |  | 30 |  | 30 |  | 352
Prior |  | 780 |  | 780 |  | 572
Revolving Loans |  | 2,445 |  | 2,445 |  | 2,251
Revolving Loans Converted to Term |  | 3,116 |  | 3,116 |  | 3,274
Total loans, net |  | 6,371 |  | 6,371 |  | 6,483
660 to 719 | Residential real estate |  |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |  |  |  |
Year one |  | 65 |  | 65 |  | 115
Year two |  | 100 |  | 100 |  | 270
Year three |  | 223 |  | 223 |  | 401
Year four |  | 389 |  | 389 |  | 620
Year five |  | 581 |  | 581 |  | 324
Prior |  | 1,049 |  | 1,049 |  | 784
Revolving Loans |  | 0 |  | 0 |  | 0
Revolving Loans Converted to Term |  | 0 |  | 0 |  | 0
Total loans, net |  | 2,407 |  | 2,407 |  | 2,514
660 to 719 | Home equity |  |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |  |  |  |
Year one |  | 0 |  | 0 |  | 0
Year two |  | 0 |  | 0 |  | 0
Year three |  | 0 |  | 0 |  | 0
Year four |  | 0 |  | 0 |  | 14
Year five |  | 12 |  | 12 |  | 151
Prior |  | 381 |  | 381 |  | 289
Revolving Loans |  | 1,209 |  | 1,209 |  | 1,193
Revolving Loans Converted to Term |  | 2,085 |  | 2,085 |  | 2,085
Total loans, net |  | 3,687 |  | 3,687 |  | 3,732
Less than 660 | Residential real estate |  |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |  |  |  |
Year one |  | 17 |  | 17 |  | 9
Year two |  | 11 |  | 11 |  | 108
Year three |  | 115 |  | 115 |  | 90
Year four |  | 103 |  | 103 |  | 156
Year five |  | 163 |  | 163 |  | 116
Prior |  | 767 |  | 767 |  | 696
Revolving Loans |  | 0 |  | 0 |  | 0
Revolving Loans Converted to Term |  | 0 |  | 0 |  | 0
Total loans, net |  | 1,176 |  | 1,176 |  | 1,175
Less than 660 | Home equity |  |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |  |  |  |
Year one |  | 0 |  | 0 |  | 0
Year two |  | 0 |  | 0 |  | 0
Year three |  | 0 |  | 0 |  | 0
Year four |  | 0 |  | 0 |  | 5
Year five |  | 5 |  | 5 |  | 63
Prior |  | 271 |  | 271 |  | 234
Revolving Loans |  | 204 |  | 204 |  | 202
Revolving Loans Converted to Term |  | 1,462 |  | 1,462 |  | 1,290
Total loans, net |  | 1,942 |  | 1,942 |  | 1,794
No FICO score available | Residential real estate |  |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |  |  |  |
Year one |  | 0 |  | 0 |  | 1
Year two |  | 0 |  | 0 |  | 132
Year three |  | 129 |  | 129 |  | 8
Year four |  | 7 |  | 7 |  | 86
Year five |  | 80 |  | 80 |  | 151
Prior |  | 388 |  | 388 |  | 280
Revolving Loans |  | 0 |  | 0 |  | 0
Revolving Loans Converted to Term |  | 0 |  | 0 |  | 0
Total loans, net |  | 604 |  | 604 |  | 658
No FICO score available | Home equity |  |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |  |  |  |
Year one |  | 0 |  | 0 |  | 0
Year two |  | 0 |  | 0 |  | 0
Year three |  | 0 |  | 0 |  | 0
Year four |  | 0 |  | 0 |  | 0
Year five |  | 0 |  | 0 |  | 2
Prior |  | 8 |  | 8 |  | 6
Revolving Loans |  | 1 |  | 1 |  | 7
Revolving Loans Converted to Term |  | 32 |  | 32 |  | 44
Total loans, net |  | 41 |  | 41 |  | 59
Government insured or guaranteed loans | Residential real estate |  |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |  |  |  |
Year one |  | 0 |  | 0 |  | 1
Year two |  | 5 |  | 5 |  | 16
Year three |  | 20 |  | 20 |  | 23
Year four |  | 24 |  | 24 |  | 17
Year five |  | 17 |  | 17 |  | 66
Prior |  | 539 |  | 539 |  | 497
Revolving Loans |  | 0 |  | 0 |  | 0
Revolving Loans Converted to Term |  | 0 |  | 0 |  | 0
Total loans, net |  | 605 |  | 605 |  | 620
Greater than 100% | Residential real estate |  |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |  |  |  |
Year one |  | 5 |  | 5 |  | 10
Year two |  | 29 |  | 29 |  | 55
Year three |  | 74 |  | 74 |  | 85
Year four |  | 65 |  | 65 |  | 52
Year five |  | 51 |  | 51 |  | 23
Prior |  | 57 |  | 57 |  | 32
Revolving Loans |  | 0 |  | 0 |  | 0
Revolving Loans Converted to Term |  | 0 |  | 0 |  | 0
Total loans, net |  | 281 |  | 281 |  | 257
Greater than 100% | Home equity |  |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |  |  |  |
Year one |  | 0 |  | 0 |  | 0
Year two |  | 0 |  | 0 |  | 0
Year three |  | 0 |  | 0 |  | 0
Year four |  | 0 |  | 0 |  | 1
Year five |  | 1 |  | 1 |  | 12
Prior |  | 21 |  | 21 |  | 17
Revolving Loans |  | 390 |  | 390 |  | 368
Revolving Loans Converted to Term |  | 379 |  | 379 |  | 372
Total loans, net |  | 791 |  | 791 |  | 770
Greater than or equal to 80% to 100% | Residential real estate |  |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |  |  |  |
Year one |  | 478 |  | 478 |  | 591
Year two |  | 370 |  | 370 |  | 485
Year three |  | 386 |  | 386 |  | 954
Year four |  | 705 |  | 705 |  | 601
Year five |  | 428 |  | 428 |  | 171
Prior |  | 227 |  | 227 |  | 111
Revolving Loans |  | 0 |  | 0 |  | 0
Revolving Loans Converted to Term |  | 0 |  | 0 |  | 0
Total loans, net |  | 2,594 |  | 2,594 |  | 2,913
Greater than or equal to 80% to 100% | Home equity |  |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |  |  |  |
Year one |  | 0 |  | 0 |  | 0
Year two |  | 0 |  | 0 |  | 0
Year three |  | 0 |  | 0 |  | 0
Year four |  | 0 |  | 0 |  | 5
Year five |  | 5 |  | 5 |  | 31
Prior |  | 48 |  | 48 |  | 30
Revolving Loans |  | 1,233 |  | 1,233 |  | 1,098
Revolving Loans Converted to Term |  | 1,520 |  | 1,520 |  | 1,619
Total loans, net |  | 2,806 |  | 2,806 |  | 2,783
Less than 80% | Residential real estate |  |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |  |  |  |
Year one |  | 1,163 |  | 1,163 |  | 2,043
Year two |  | 1,712 |  | 1,712 |  | 4,039
Year three |  | 3,581 |  | 3,581 |  | 8,450
Year four |  | 8,191 |  | 8,191 |  | 13,958
Year five |  | 13,449 |  | 13,449 |  | 6,084
Prior |  | 13,049 |  | 13,049 |  | 8,039
Revolving Loans |  | 0 |  | 0 |  | 0
Revolving Loans Converted to Term |  | 0 |  | 0 |  | 0
Total loans, net |  | 41,145 |  | 41,145 |  | 42,613
Less than 80% | Home equity |  |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |  |  |  |
Year one |  | 0 |  | 0 |  | 0
Year two |  | 0 |  | 0 |  | 0
Year three |  | 0 |  | 0 |  | 0
Year four |  | 0 |  | 0 |  | 141
Year five |  | 129 |  | 129 |  | 1,670
Prior |  | 3,943 |  | 3,943 |  | 2,807
Revolving Loans |  | 7,434 |  | 7,434 |  | 6,907
Revolving Loans Converted to Term |  | 10,839 |  | 10,839 |  | 10,913
Total loans, net |  | 22,345 |  | 22,345 |  | 22,438
No LTV available | Residential real estate |  |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |  |  |  |
Year one |  | 0 |  | 0 |  | 0
Year two |  | 0 |  | 0 |  | 0
Year three |  | 0 |  | 0 |  | 0
Year four |  | 0 |  | 0 |  | 9
Year five |  | 9 |  | 9 |  | 0
Prior |  | 3 |  | 3 |  | 3
Revolving Loans |  | 0 |  | 0 |  | 0
Revolving Loans Converted to Term |  | 0 |  | 0 |  | 0
Total loans, net |  | $ 12 |  | $ 12 |  | $ 12
[1] | Our consolidated assets included the following for which we have elected the fair value option: Loans held for sale of $0.9 billion, Loans held for investment of $1.1 billion and Other assets of $0.2 billion at September 30, 2025. Comparable amounts at December 31, 2024 were $0.8 billion, $1.2 billion and $0.1 billion, respectively.

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