v3.26.1
Loans, Leases and Allowance for Credit Losses - Contractual Aging of Loan Portfolio by Segment (Detail) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs $ 60,949 $ 58,677
Total Nonaccrual 562 500
Mortgage finance    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 7,405 7,271
Total Nonaccrual 0 0
Municipal & nonprofit    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 1,716 1,648
Total Nonaccrual 0 4
Tech & innovation    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 4,488 4,128
Total Nonaccrual 13 20
Equity fund resources    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 1,457 1,233
Total Nonaccrual 1 1
Other commercial and industrial    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 14,951 13,789
Total Nonaccrual 142 120
CRE - owner occupied    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 1,469 1,533
Total Nonaccrual 1 3
Hotel franchise finance    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 4,582 4,185
Total Nonaccrual 0 0
Other CRE - non-owner occupied    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 5,969 6,455
Total Nonaccrual 279 228
Residential    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 13,909 13,403
Total Nonaccrual 14 12
Residential EBO    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 752 828
Total Nonaccrual 0 0
Construction and land development    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 4,072 4,043
Total Nonaccrual 109 109
Other    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 179 161
Total Nonaccrual 3 3
Current    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 59,860 57,568
Current | Mortgage finance    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 7,405 7,271
Current | Municipal & nonprofit    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 1,716 1,641
Current | Tech & innovation    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 4,471 4,102
Current | Equity fund resources    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 1,456 1,232
Current | Other commercial and industrial    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 14,805 13,654
Current | CRE - owner occupied    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 1,467 1,530
Current | Hotel franchise finance    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 4,582 4,185
Current | Other CRE - non-owner occupied    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 5,683 6,226
Current | Residential    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 13,767 13,259
Current | Residential EBO    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 402 393
Current | Construction and land development    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 3,933 3,920
Current | Other    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 173 155
30-59 Days Past Due    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 166 172
30-59 Days Past Due | Mortgage finance    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 0 0
30-59 Days Past Due | Municipal & nonprofit    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 0 0
30-59 Days Past Due | Tech & innovation    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 1 3
30-59 Days Past Due | Equity fund resources    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 0 0
30-59 Days Past Due | Other commercial and industrial    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 3 12
30-59 Days Past Due | CRE - owner occupied    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 0 0
30-59 Days Past Due | Hotel franchise finance    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 0 0
30-59 Days Past Due | Other CRE - non-owner occupied    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 6 1
30-59 Days Past Due | Residential    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 53 55
30-59 Days Past Due | Residential EBO    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 71 94
30-59 Days Past Due | Construction and land development    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 30 5
30-59 Days Past Due | Other    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 2 2
60-89 Days Past Due    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 58 81
60-89 Days Past Due | Mortgage finance    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 0 0
60-89 Days Past Due | Municipal & nonprofit    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 0 0
60-89 Days Past Due | Tech & innovation    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 2 0
60-89 Days Past Due | Equity fund resources    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 0 0
60-89 Days Past Due | Other commercial and industrial    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 1 3
60-89 Days Past Due | CRE - owner occupied    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 1 0
60-89 Days Past Due | Hotel franchise finance    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 0 0
60-89 Days Past Due | Other CRE - non-owner occupied    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 1 0
60-89 Days Past Due | Residential    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 21 26
60-89 Days Past Due | Residential EBO    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 31 51
60-89 Days Past Due | Construction and land development    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 0 0
60-89 Days Past Due | Other    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 1 1
Over 90 days Past Due    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 303 356
Over 90 days Past Due | Mortgage finance    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 0 0
Over 90 days Past Due | Municipal & nonprofit    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 0 3
Over 90 days Past Due | Tech & innovation    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 1 3
Over 90 days Past Due | Equity fund resources    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 0 0
Over 90 days Past Due | Other commercial and industrial    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 0 0
Over 90 days Past Due | CRE - owner occupied    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 0 0
Over 90 days Past Due | Hotel franchise finance    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 0 0
Over 90 days Past Due | Other CRE - non-owner occupied    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 0 0
Over 90 days Past Due | Residential    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 54 51
Over 90 days Past Due | Residential EBO    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 248 290
Over 90 days Past Due | Construction and land development    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 0 9
Over 90 days Past Due | Other    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 0 0
Total Past Due    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 527 609
Total Past Due | Mortgage finance    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 0 0
Total Past Due | Municipal & nonprofit    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 0 3
Total Past Due | Tech & innovation    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 4 6
Total Past Due | Equity fund resources    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 0 0
Total Past Due | Other commercial and industrial    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 4 15
Total Past Due | CRE - owner occupied    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 1 0
Total Past Due | Hotel franchise finance    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 0 0
Total Past Due | Other CRE - non-owner occupied    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 7 1
Total Past Due | Residential    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 128 132
Total Past Due | Residential EBO    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 350 435
Total Past Due | Construction and land development    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs 30 14
Total Past Due | Other    
Financing Receivable, Nonaccrual [Line Items]    
Loans HFI, net of deferred fees and costs $ 3 $ 3