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Loans and Leases - Additional Information (Details) - USD ($) $ in Millions | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable |  |
Unearned income | $ 383 | $ 380
Accrued interest receivable | 568 | 566
Net discount | 279 | 324
Solar energy installation loans |  |
Accounts, Notes, Loans and Financing Receivable |  |
Net discount | 898 | 901
Federal Home Loan Bank Advances |  |
Accounts, Notes, Loans and Financing Receivable |  |
Loans pledged | 14,800 | 15,100
FRB Loan |  |
Accounts, Notes, Loans and Financing Receivable |  |
Loans pledged | $ 58,300 | $ 55,300

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