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v3.26.1

Business Combination - Loans Identified as PCI Loans at Acquisition (Details) - USD ($) $ in Millions |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
Feb. 01, 2026 | Jun. 30, 2026 | Jun. 30, 2025 | Jun. 30, 2026 | Jun. 30, 2025
Business Combination [Line Items] |  |  |  |  |
Adjustment on PCD loans and leases at acquisition |  |  |  | $ 179 |
Net charge-offs taken at time of acquisition |  | $ 135 | $ 139 | 279 | $ 276
Initial ALLL on other acquired loans and leases | $ 8 |  |  |  |
Comerica Incorporated |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |
Fair value of acquired loans and leases, PCD | 3,183 |  |  |  |
Adjustment on PCD loans and leases at acquisition | 179 |  |  |  |
Initial amortized cost basis of acquired loans and leases, PCD | 3,362 |  |  |  |
Unpaid principal balance of acquired loans and leases, PCD | 3,457 |  |  |  |
Noncredit discount, net, PCD | 95 |  |  |  |
Fair value of acquired loans and leases, PSL | 46,279 |  |  |  |
Adjustments for expected credit losses, PSL | 482 |  |  |  |
Initial amortized cost basis of acquired loans and leases, PSL | 46,761 |  |  |  |
Unpaid principal balance of acquired loans and leases, PSL | 46,836 |  |  |  |
Noncredit discount, net, PSL | (75) |  |  |  |
Fair value of acquired loans and leases, Other | 405 |  |  |  |
Adjustment for expected credit losses, Other | 0 |  |  |  |
Unpaid principal balance of acquired loans and leases, Other | 406 |  |  |  |
Noncredit discount, net, Other | (1) |  |  |  |
Fair value of acquired loans and leases, Total | 49,867 |  |  |  |
Adjustments for expected credit losses, Total | 661 |  |  |  |
Initial amortized cost basis of acquired loans and leases, Total | 50,528 |  |  |  |
Unpaid principal balance of acquired loans and leases, Total | 50,699 |  |  |  |
Noncredit discount, net, Total | $ (171) |  |  |  |
Net charge-offs taken at time of acquisition |  |  |  | $ 111 |

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