v3.26.1
LOANS - Loan-to-Value Ratios Consumer Loans (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Financing Receivable, Credit Quality Indicator [Line Items]    
Total loans, net of unearned income $ 793,658 $ 752,230
Unallocated portfolio layer cumulative basis adjustments   17
Consumer loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total loans, net of unearned income 416,520 408,533
Unallocated portfolio layer cumulative basis adjustments (102) 343
Consumer loans | UNITED STATES    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total loans, net of unearned income 333,150 327,748
Consumer loans | In offices outside North America    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total loans, net of unearned income   79,062
Consumer loans | Less than or equal to 80% | UNITED STATES    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total loans, net of unearned income 113,680 111,472
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 7,981 9,689
Consumer loans | Greater than 100% | UNITED STATES    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total loans, net of unearned income 78 116
Consumer loans | LTV not available | UNITED STATES    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total loans, net of unearned income 1,048 984
Consumer loans | Total | UNITED STATES    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total loans, net of unearned income 122,787 122,261
Consumer loans | Residential mortgages | UNITED STATES    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total loans, net of unearned income 120,516 119,389
Consumer loans | Residential mortgages | In offices outside North America    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total loans, net of unearned income 23,866 24,041
Consumer loans | Residential mortgages | Less than or equal to 80% | UNITED STATES    
Financing Receivable, Credit Quality Indicator [Line Items]    
Current fiscal year 6,756 12,061
One year prior to current fiscal year 12,358 7,845
Two years prior to current fiscal year 7,071 12,637
Three years prior to current fiscal year 11,808 18,144
Four years prior to current fiscal year 17,844 17,495
Prior 55,665 40,567
Total loans, net of unearned income 111,502 108,749
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 1,499 2,576
One year prior to current fiscal year 2,549 2,825
Two years prior to current fiscal year 2,746 2,062
Three years prior to current fiscal year 2,133 2,283
Four years prior to current fiscal year 2,256 2,168
Prior 9,195 7,712
Total loans, net of unearned income $ 20,378 $ 19,626
Loan to value ratio 53.00% 56.00%
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 $ 1,499 $ 4,163
One year prior to current fiscal year 2,661 2,181
Two years prior to current fiscal year 1,457 1,288
Three years prior to current fiscal year 918 1,378
Four years prior to current fiscal year 1,036 276
Prior 387 348
Total loans, net of unearned income 7,958 9,634
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 125 207
One year prior to current fiscal year 145 275
Two years prior to current fiscal year 105 727
Three years prior to current fiscal year 583 630
Four years prior to current fiscal year 828 648
Prior 1,098 456
Total loans, net of unearned income 2,884 2,943
Consumer loans | Residential mortgages | Greater than 100% | UNITED STATES    
Financing Receivable, Credit Quality Indicator [Line Items]    
Current fiscal year 0 0
One year prior to current fiscal year 3 3
Two years prior to current fiscal year 1 3
Three years prior to current fiscal year 0 23
Four years prior to current fiscal year 21 6
Prior 27 28
Total loans, net of unearned income 52 63
Consumer loans | Residential mortgages | Greater than 100% | In offices outside North America    
Financing Receivable, Credit Quality Indicator [Line Items]    
Current fiscal year 1 0
One year prior to current fiscal year 0 0
Two years prior to current fiscal year 0 150
Three years prior to current fiscal year 0 415
Four years prior to current fiscal year 6 345
Prior 21 67
Total loans, net of unearned income 28 977
Consumer loans | Residential mortgages | LTV not available | UNITED STATES    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total loans, net of unearned income 1,004 943
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 576 495
Consumer loans | Home equity loans | UNITED STATES    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total loans, net of unearned income 2,271 2,872
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 2,178 2,723
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 23 55
Consumer loans | Home equity loans | Greater than 100% | UNITED STATES    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total loans, net of unearned income 26 53
Consumer loans | Home equity loans | LTV not available | UNITED STATES    
Financing Receivable, Credit Quality Indicator [Line Items]    
Total loans, net of unearned income 44 41
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 1,910 2,348
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 15 42
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 12 32
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 268 375
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 8 13
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 $ 14 $ 21