v3.26.1
Loans, Leases and Allowance for Credit Losses - Disaggregation of the Company's ACL on Funded Loans and Loan Balances (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Mar. 31, 2025
Dec. 31, 2024
Financing Receivable, Allowance for Credit Loss [Line Items]        
Collectively Evaluated for Credit Loss $ 58,667.0 $ 58,192.0    
Individually Evaluated for Credit Loss 475.0 485.0    
Loans HFI, net of deferred fees and costs 59,142.0 58,677.0    
Collectively Evaluated for Credit Loss 431.0 396.4    
Individually Evaluated for Credit Loss 30.1 64.2    
Total 461.1 460.6 $ 388.6 $ 373.8
Mortgage finance        
Financing Receivable, Allowance for Credit Loss [Line Items]        
Collectively Evaluated for Credit Loss 7,105.0 7,271.0    
Individually Evaluated for Credit Loss 0.0 0.0    
Loans HFI, net of deferred fees and costs 7,105.0 7,271.0    
Collectively Evaluated for Credit Loss 5.7 5.5    
Individually Evaluated for Credit Loss 0.0 0.0    
Total 5.7 5.5 4.5 4.8
Municipal & nonprofit        
Financing Receivable, Allowance for Credit Loss [Line Items]        
Collectively Evaluated for Credit Loss 1,679.0 1,643.0    
Individually Evaluated for Credit Loss 4.0 5.0    
Loans HFI, net of deferred fees and costs 1,683.0 1,648.0    
Collectively Evaluated for Credit Loss 18.0 12.8    
Individually Evaluated for Credit Loss 0.4 0.2    
Total 18.4 13.0 14.8 14.7
Tech & innovation        
Financing Receivable, Allowance for Credit Loss [Line Items]        
Collectively Evaluated for Credit Loss 4,259.0 4,108.0    
Individually Evaluated for Credit Loss 21.0 20.0    
Loans HFI, net of deferred fees and costs 4,280.0 4,128.0    
Collectively Evaluated for Credit Loss 52.4 44.1    
Individually Evaluated for Credit Loss 0.5 0.7    
Total 52.9 44.8 44.9 55.9
Equity fund resources        
Financing Receivable, Allowance for Credit Loss [Line Items]        
Collectively Evaluated for Credit Loss 1,261.0 1,233.0    
Individually Evaluated for Credit Loss 0.0 0.0    
Loans HFI, net of deferred fees and costs 1,261.0 1,233.0    
Collectively Evaluated for Credit Loss 4.0 2.6    
Individually Evaluated for Credit Loss 0.0 0.0    
Total 4.0 2.6 1.4 1.6
Other commercial and industrial        
Financing Receivable, Allowance for Credit Loss [Line Items]        
Collectively Evaluated for Credit Loss 14,036.0 13,671.0    
Individually Evaluated for Credit Loss 96.0 118.0    
Loans HFI, net of deferred fees and costs 14,132.0 13,789.0    
Collectively Evaluated for Credit Loss 158.1 139.0    
Individually Evaluated for Credit Loss 15.9 45.7    
Total 174.0 184.7 93.5 79.4
CRE - owner occupied        
Financing Receivable, Allowance for Credit Loss [Line Items]        
Collectively Evaluated for Credit Loss 1,560.0 1,530.0    
Individually Evaluated for Credit Loss 3.0 3.0    
Loans HFI, net of deferred fees and costs 1,563.0 1,533.0    
Collectively Evaluated for Credit Loss 3.6 3.4    
Individually Evaluated for Credit Loss 0.0 0.0    
Total 3.6 3.4 3.7 3.4
Hotel franchise finance        
Financing Receivable, Allowance for Credit Loss [Line Items]        
Collectively Evaluated for Credit Loss 4,331.0 4,185.0    
Individually Evaluated for Credit Loss 0.0 0.0    
Loans HFI, net of deferred fees and costs 4,331.0 4,185.0    
Collectively Evaluated for Credit Loss 40.5 37.7    
Individually Evaluated for Credit Loss 0.0 0.0    
Total 40.5 37.7 33.2 35.3
Other CRE - non-owner occupied        
Financing Receivable, Allowance for Credit Loss [Line Items]        
Collectively Evaluated for Credit Loss 6,071.0 6,227.0    
Individually Evaluated for Credit Loss 263.0 228.0    
Loans HFI, net of deferred fees and costs 6,334.0 6,455.0    
Collectively Evaluated for Credit Loss 86.1 92.8    
Individually Evaluated for Credit Loss 13.3 17.6    
Total 99.4 110.4 138.1 134.4
Residential        
Financing Receivable, Allowance for Credit Loss [Line Items]        
Collectively Evaluated for Credit Loss 13,547.0 13,403.0    
Individually Evaluated for Credit Loss 0.0 0.0    
Loans HFI, net of deferred fees and costs 13,547.0 13,403.0    
Collectively Evaluated for Credit Loss 23.7 23.7    
Individually Evaluated for Credit Loss 0.0 0.0    
Total 23.7 23.7 19.7 19.7
Residential EBO        
Financing Receivable, Allowance for Credit Loss [Line Items]        
Collectively Evaluated for Credit Loss 792.0 828.0    
Individually Evaluated for Credit Loss 0.0 0.0    
Loans HFI, net of deferred fees and costs 792.0 828.0    
Collectively Evaluated for Credit Loss 0.0 0.0    
Individually Evaluated for Credit Loss 0.0 0.0    
Total 0.0 0.0 0.0 0.0
Construction and land development        
Financing Receivable, Allowance for Credit Loss [Line Items]        
Collectively Evaluated for Credit Loss 3,876.0 3,934.0    
Individually Evaluated for Credit Loss 85.0 109.0    
Loans HFI, net of deferred fees and costs 3,961.0 4,043.0    
Collectively Evaluated for Credit Loss 37.6 32.3    
Individually Evaluated for Credit Loss 0.0 0.0    
Total 37.6 32.3 32.0 21.3
Other        
Financing Receivable, Allowance for Credit Loss [Line Items]        
Collectively Evaluated for Credit Loss 150.0 159.0    
Individually Evaluated for Credit Loss 3.0 2.0    
Loans HFI, net of deferred fees and costs 153.0 161.0    
Collectively Evaluated for Credit Loss 1.3 2.5    
Individually Evaluated for Credit Loss 0.0 0.0    
Total $ 1.3 $ 2.5 $ 2.8 $ 3.3