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LOANS - Loan-to-Value Ratios Consumer Loans (Details) - USD ($) $ in Millions | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total loans, net of unearned income | $ 733,905 | $ 694,488
Unallocated portfolio layer cumulative basis adjustments |  | (72)
Consumer loans |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total loans, net of unearned income | 398,628 | 393,102
Unallocated portfolio layer cumulative basis adjustments | 592 | (224)
Consumer loans | UNITED STATES |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total loans, net of unearned income | 319,191 | 320,631
Consumer loans | In offices outside North America |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total loans, net of unearned income | 77,441 | 71,378
Consumer loans | Less than or equal to 80% | UNITED STATES |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total loans, net of unearned income | 111,243 | 107,142
Consumer loans | Greater than 80% but less than or equal to 100% | UNITED STATES |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total loans, net of unearned income | 8,331 | 8,742
Consumer loans | Greater than 100% | UNITED STATES |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total loans, net of unearned income | 118 | 158
Consumer loans | LTV not available | UNITED STATES |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total loans, net of unearned income | 1,023 | 1,692
Consumer loans | Total | UNITED STATES |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total loans, net of unearned income | 120,715 | 117,734
Consumer loans | Residential mortgages | UNITED STATES |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total loans, net of unearned income | 117,799 | 114,593
Consumer loans | Residential mortgages | In offices outside North America |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total loans, net of unearned income | 24,078 | 24,456
Consumer loans | Residential mortgages | Less than or equal to 80% | UNITED STATES |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 8,458 | 9,196
One year prior to current fiscal year | 9,059 | 13,973
Two years prior to current fiscal year | 13,389 | 18,546
Three years prior to current fiscal year | 18,429 | 18,247
Four years prior to current fiscal year | 17,742 | 15,434
Prior | 41,403 | 28,797
Total loans, net of unearned income | 108,480 | 104,193
Consumer loans | Residential mortgages | Less than or equal to 80% | In offices outside North America |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 1,847 | 2,808
One year prior to current fiscal year | 2,805 | 2,406
Two years prior to current fiscal year | 2,100 | 2,579
Three years prior to current fiscal year | 2,337 | 2,505
Four years prior to current fiscal year | 2,244 | 1,739
Prior | 8,107 | 7,642
Total loans, net of unearned income | $ 19,440 | $ 19,679
Loan to value ratio | 57.00% | 58.00%
Consumer loans | Residential mortgages | Greater than 80% but less than or equal to 100% | UNITED STATES |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | $ 2,741 | $ 3,550
One year prior to current fiscal year | 2,166 | 2,036
Two years prior to current fiscal year | 1,289 | 2,078
Three years prior to current fiscal year | 1,397 | 472
Four years prior to current fiscal year | 281 | 226
Prior | 402 | 351
Total loans, net of unearned income | 8,276 | 8,713
Consumer loans | Residential mortgages | Greater than 80% but less than or equal to 100% | In offices outside North America |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 165 | 421
One year prior to current fiscal year | 341 | 654
Two years prior to current fiscal year | 598 | 462
Three years prior to current fiscal year | 556 | 426
Four years prior to current fiscal year | 534 | 326
Prior | 449 | 148
Total loans, net of unearned income | 2,643 | 2,437
Consumer loans | Residential mortgages | Greater than 100% | UNITED STATES |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 0 | 1
One year prior to current fiscal year | 1 | 2
Two years prior to current fiscal year | 3 | 42
Three years prior to current fiscal year | 24 | 33
Four years prior to current fiscal year | 6 | 1
Prior | 28 | 25
Total loans, net of unearned income | 62 | 104
Consumer loans | Residential mortgages | Greater than 100% | In offices outside North America |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Current fiscal year | 0 | 0
One year prior to current fiscal year | 0 | 412
Two years prior to current fiscal year | 346 | 698
Three years prior to current fiscal year | 539 | 657
Four years prior to current fiscal year | 499 | 176
Prior | 127 | 8
Total loans, net of unearned income | 1,511 | 1,951
Consumer loans | Residential mortgages | LTV not available | UNITED STATES |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total loans, net of unearned income | 981 | 1,583
Consumer loans | Residential mortgages | LTV not available | In offices outside North America |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total loans, net of unearned income | 484 | 389
Consumer loans | Home equity loans | UNITED STATES |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total loans, net of unearned income | 2,916 | 3,141
Consumer loans | Home equity loans | Less than or equal to 80% | UNITED STATES |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total loans, net of unearned income | 2,763 | 2,949
Consumer loans | Home equity loans | Greater than 80% but less than or equal to 100% | UNITED STATES |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total loans, net of unearned income | 55 | 29
Consumer loans | Home equity loans | Greater than 100% | UNITED STATES |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total loans, net of unearned income | 56 | 54
Consumer loans | Home equity loans | LTV not available | UNITED STATES |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total loans, net of unearned income | 42 | 109
Consumer loans | Home equity line of credit (pre-reset) | Less than or equal to 80% | UNITED STATES |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total loans, net of unearned income | 2,380 | 2,514
Consumer loans | Home equity line of credit (pre-reset) | Greater than 80% but less than or equal to 100% | UNITED STATES |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total loans, net of unearned income | 42 | 26
Consumer loans | Home equity line of credit (pre-reset) | Greater than 100% | UNITED STATES |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total loans, net of unearned income | 34 | 45
Consumer loans | Home equity line of credit (post-reset) | Less than or equal to 80% | UNITED STATES |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total loans, net of unearned income | 383 | 435
Consumer loans | Home equity line of credit (post-reset) | Greater than 80% but less than or equal to 100% | UNITED STATES |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total loans, net of unearned income | 13 | 3
Consumer loans | Home equity line of credit (post-reset) | Greater than 100% | UNITED STATES |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total loans, net of unearned income | $ 22 | $ 9

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