v3.26.1
Credit Quality and the Allowance for Loan and Lease Losses - Summary of the ALLL and Related Loans and Leases Classified by Portfolio Segment (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Mar. 31, 2026
Dec. 31, 2025
Jun. 30, 2025
Mar. 31, 2025
Dec. 31, 2024
Financing Receivable, Allowance for Credit Loss [Line Items]            
Individually evaluated $ 163   $ 193      
Collectively evaluated 2,755   2,060      
Total ALLL 2,918 [1] $ 2,922 2,253 [1] $ 2,412 $ 2,384 $ 2,352
Individually evaluated 781   615      
Collectively evaluated 177,645   121,930      
Total portfolio loans and leases 178,426   122,545      
Leveraged leases 239   243      
Commercial Leveraged Leases            
Financing Receivable, Allowance for Credit Loss [Line Items]            
Total ALLL 2   2      
Commercial            
Financing Receivable, Allowance for Credit Loss [Line Items]            
Individually evaluated 150   178      
Collectively evaluated 1,638   1,008      
Total ALLL 1,788 1,820 1,186 1,293 1,241 1,154
Individually evaluated 522   367      
Collectively evaluated 124,358   73,195      
Total portfolio loans and leases 124,880   73,562      
Residential Mortgage            
Financing Receivable, Allowance for Credit Loss [Line Items]            
Individually evaluated 0   0      
Collectively evaluated 103   109      
Total ALLL 103 108 109 134 139 146
Individually evaluated 153   143      
Collectively evaluated 19,458   17,403      
Total portfolio loans and leases 19,611   17,546      
Residential mortgage loans 102   106 107    
Consumer            
Financing Receivable, Allowance for Credit Loss [Line Items]            
Individually evaluated 13   15      
Collectively evaluated 1,014   943      
Total ALLL 1,027 $ 994 958 $ 985 $ 1,004 $ 1,052
Individually evaluated 106   105      
Collectively evaluated 33,829   31,332      
Total portfolio loans and leases $ 33,935   $ 31,437      
[1] Includes $33 and $38 of other short-term investments, $384 and $554 of portfolio loans and leases, $(7) and $(9) of ALLL, $2 and $3 of other assets, $10 and $11 of other liabilities and $312 and $473 of long-term debt from consolidated VIEs that are included in their respective captions above at June 30, 2026 and December 31, 2025, respectively. For further information, refer to Note 10.