v3.26.1
Loans and Related Allowance for Credit Losses, Commercial Loan Categories by Risk Categories and Vintage (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Financing Receivable and Net Investment in Lease, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
Total loans $ 1,031,115 $ 924,418 $ 1,031,115 $ 924,418 $ 986,167
Accounts, Notes, Loans and Financing Receivable Textual [Abstract]          
Net investment in lease, credit quality indicator, update frequency [Extensible Enumeration] Credit Quality Indicator, Updated Quarterly [Member]   Credit Quality Indicator, Updated Quarterly [Member]   Credit Quality Indicator, Updated Quarterly [Member]
Financing receivable, credit quality indicator, update frequency [Extensible Enumeration] Credit Quality Indicator, Updated Quarterly [Member]   Credit Quality Indicator, Updated Quarterly [Member]   Credit Quality Indicator, Updated Quarterly [Member]
Total Commercial [Member]          
Financing Receivable and Net Investment in Lease, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
Term loans by origination year, current fiscal year, total $ 83,696   $ 83,696   $ 135,506
Term loans by origination year, fiscal year before current fiscal year, total 96,167   96,167   40,208
Term loans by origination year, two years before current fiscal year, total 32,500   32,500   25,878
Term loans by origination year, three years before current fiscal year, total 21,254   21,254   34,641
Term loans by origination year, four years before current fiscal year, total 27,787   27,787   23,207
Term loans by origination year, more than five years before current fiscal year, total 51,995   51,995   37,462
Revolving loans, total 322,879   322,879   302,925
Revolving loans converted to term loans, total 21   21   68
Total loans 636,299   636,299   599,895
Total Commercial [Member] | Pass [Member]          
Financing Receivable and Net Investment in Lease, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
Total loans 606,400   606,400    
Total Commercial [Member] | Criticized [Member]          
Financing Receivable and Net Investment in Lease, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
Total loans 29,900   29,900    
Total Commercial [Member] | Commercial and industrial loans [Member]          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
Term loans by origination year, current fiscal year, finance receivable 54,788   54,788   85,802
Term loans by origination year, fiscal year before current fiscal year, finance receivable 57,999   57,999   24,343
Term loans by origination year, two years before current fiscal year, finance receivable 19,350   19,350   12,878
Term loans by origination year, three years before current fiscal year, finance receivable 10,692   10,692   13,329
Term loans by origination year, four years before current fiscal year, finance receivable 11,139   11,139   7,511
Term loans by origination year, more than five years before current fiscal year, finance receivable 18,506   18,506   12,914
Revolving loans, finance receivable 315,144   315,144   295,278
Revolving loans converted to term loans, finance receivable 12   12   13
Total loans 487,630   487,630   452,068
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]          
Term loans by origination year, current fiscal year, charge-offs     13   54
Term loans by origination year, fiscal year before current fiscal year, charge-offs     44   56
Term loans by origination year, two years before current fiscal year, charge-offs     10   42
Term loans by origination year, three years before current fiscal year, charge-offs     11   26
Term loans by origination year, four years before current fiscal year, charge-offs     4   27
Term loans by origination year, more than five years before current fiscal year, charge-offs     6   14
Revolving loans, charge-offs     447   485
Revolving loans converted to term loans, charge-offs     0   0
Loan charge-offs, loans 163 213 535 361 704
Total Commercial [Member] | Commercial and industrial loans [Member] | Pass [Member]          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
Term loans by origination year, current fiscal year, finance receivable 53,577   53,577   84,419
Term loans by origination year, fiscal year before current fiscal year, finance receivable 56,448   56,448   23,611
Term loans by origination year, two years before current fiscal year, finance receivable 18,565   18,565   11,947
Term loans by origination year, three years before current fiscal year, finance receivable 9,600   9,600   12,544
Term loans by origination year, four years before current fiscal year, finance receivable 10,650   10,650   7,248
Term loans by origination year, more than five years before current fiscal year, finance receivable 18,097   18,097   12,455
Revolving loans, finance receivable 305,195   305,195   285,207
Revolving loans converted to term loans, finance receivable 12   12   13
Total loans 472,144   472,144   437,444
Total Commercial [Member] | Commercial and industrial loans [Member] | Criticized [Member]          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
Term loans by origination year, current fiscal year, finance receivable 1,211   1,211   1,383
Term loans by origination year, fiscal year before current fiscal year, finance receivable 1,551   1,551   732
Term loans by origination year, two years before current fiscal year, finance receivable 785   785   931
Term loans by origination year, three years before current fiscal year, finance receivable 1,092   1,092   785
Term loans by origination year, four years before current fiscal year, finance receivable 489   489   263
Term loans by origination year, more than five years before current fiscal year, finance receivable 409   409   459
Revolving loans, finance receivable 9,949   9,949   10,071
Revolving loans converted to term loans, finance receivable 0   0   0
Total loans 15,486   15,486   14,624
Total Commercial [Member] | Commercial real estate [Member]          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
Term loans by origination year, current fiscal year, finance receivable 26,346   26,346   44,737
Term loans by origination year, fiscal year before current fiscal year, finance receivable 33,694   33,694   12,201
Term loans by origination year, two years before current fiscal year, finance receivable 10,000   10,000   9,428
Term loans by origination year, three years before current fiscal year, finance receivable 7,620   7,620   19,642
Term loans by origination year, four years before current fiscal year, finance receivable 15,344   15,344   14,877
Term loans by origination year, more than five years before current fiscal year, finance receivable 32,238   32,238   23,697
Revolving loans, finance receivable 7,735   7,735   7,647
Revolving loans converted to term loans, finance receivable 9   9   55
Total loans 132,986   132,986   132,284
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]          
Term loans by origination year, current fiscal year, charge-offs     39   104
Term loans by origination year, fiscal year before current fiscal year, charge-offs     0   52
Term loans by origination year, two years before current fiscal year, charge-offs     0   38
Term loans by origination year, three years before current fiscal year, charge-offs     13   61
Term loans by origination year, four years before current fiscal year, charge-offs     56   117
Term loans by origination year, more than five years before current fiscal year, charge-offs     6   123
Revolving loans, charge-offs     1   2
Revolving loans converted to term loans, charge-offs     0   0
Loan charge-offs, loans 35 106 115 202 497
Total Commercial [Member] | Commercial real estate [Member] | Pass [Member]          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
Term loans by origination year, current fiscal year, finance receivable 24,847   24,847   40,934
Term loans by origination year, fiscal year before current fiscal year, finance receivable 31,121   31,121   10,799
Term loans by origination year, two years before current fiscal year, finance receivable 8,705   8,705   8,246
Term loans by origination year, three years before current fiscal year, finance receivable 6,557   6,557   16,051
Term loans by origination year, four years before current fiscal year, finance receivable 12,725   12,725   11,863
Term loans by origination year, more than five years before current fiscal year, finance receivable 28,440   28,440   21,690
Revolving loans, finance receivable 7,549   7,549   7,588
Revolving loans converted to term loans, finance receivable 9   9   55
Total loans 119,953   119,953   117,226
Total Commercial [Member] | Commercial real estate [Member] | Criticized [Member]          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
Term loans by origination year, current fiscal year, finance receivable 1,499   1,499   3,803
Term loans by origination year, fiscal year before current fiscal year, finance receivable 2,573   2,573   1,402
Term loans by origination year, two years before current fiscal year, finance receivable 1,295   1,295   1,182
Term loans by origination year, three years before current fiscal year, finance receivable 1,063   1,063   3,591
Term loans by origination year, four years before current fiscal year, finance receivable 2,619   2,619   3,014
Term loans by origination year, more than five years before current fiscal year, finance receivable 3,798   3,798   2,007
Revolving loans, finance receivable 186   186   59
Revolving loans converted to term loans, finance receivable 0   0   0
Total loans 13,033   13,033   15,058
Total Commercial [Member] | Lease financing [Member]          
Net Investment in Lease, before Allowance for Credit Loss [Abstract]          
Term loans by origination year, current fiscal year, net investment in lease 2,562   2,562   4,967
Term loans by origination year, fiscal year before current fiscal year, net investment in lease 4,474   4,474   3,664
Term loans by origination year, two years before current fiscal year, net investment in lease 3,150   3,150   3,572
Term loans by origination year, three years before current fiscal year, net investment in lease 2,942   2,942   1,670
Term loans by origination year, four years before current fiscal year, net investment in lease 1,304   1,304   819
Term loans by origination year, more than five years before current fiscal year, net investment in lease 1,251   1,251   851
Revolving loans, net investment in lease 0   0   0
Revolving loans converted to term loans, net investment in lease 0   0   0
Lease financing 15,683   15,683   15,543
Net Investment in Lease, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]          
Net investment in lease by origination year, current fiscal year, charge-offs     0   3
Net investment in lease by origination year, year before current fiscal year, charge-offs     7   11
Net investment in lease by origination year, two years before current fiscal year, charge-offs     6   17
Net investment in lease by origination year, three years before current fiscal year, charge-offs     6   10
Net investment in lease by origination year, four years before current fiscal year, charge-offs     4   5
Net investment in lease by origination year, more than five years before current fiscal year, charge-offs     2   4
Net investment in lease, revolving loans, charge-offs     0   0
Net investment in lease, revolving loans converted to term loans, charge-offs     0   0
Loan charge-offs, lease financing 12 $ 11 25 $ 22 50
Total Commercial [Member] | Lease financing [Member] | Pass [Member]          
Net Investment in Lease, before Allowance for Credit Loss [Abstract]          
Term loans by origination year, current fiscal year, net investment in lease 2,254   2,254   4,566
Term loans by origination year, fiscal year before current fiscal year, net investment in lease 4,079   4,079   3,295
Term loans by origination year, two years before current fiscal year, net investment in lease 2,843   2,843   3,254
Term loans by origination year, three years before current fiscal year, net investment in lease 2,711   2,711   1,524
Term loans by origination year, four years before current fiscal year, net investment in lease 1,208   1,208   768
Term loans by origination year, more than five years before current fiscal year, net investment in lease 1,206   1,206   812
Revolving loans, net investment in lease 0   0   0
Revolving loans converted to term loans, net investment in lease 0   0   0
Lease financing 14,301   14,301   14,219
Total Commercial [Member] | Lease financing [Member] | Criticized [Member]          
Net Investment in Lease, before Allowance for Credit Loss [Abstract]          
Term loans by origination year, current fiscal year, net investment in lease 308   308   401
Term loans by origination year, fiscal year before current fiscal year, net investment in lease 395   395   369
Term loans by origination year, two years before current fiscal year, net investment in lease 307   307   318
Term loans by origination year, three years before current fiscal year, net investment in lease 231   231   146
Term loans by origination year, four years before current fiscal year, net investment in lease 96   96   51
Term loans by origination year, more than five years before current fiscal year, net investment in lease 45   45   39
Revolving loans, net investment in lease 0   0   0
Revolving loans converted to term loans, net investment in lease 0   0   0
Lease financing $ 1,382   $ 1,382   $ 1,324