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v3.23.1

Loans and Leases - Loan Modifications (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Amortized Cost | $ 46 | $ 47
Mortgage Loans: | Commercial real estate |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Amortized Cost | $ 44 | $ 35
Percent of Total Loan class | 0.42% |
Interest rate reduction, weighted-average contractual interest rate, prior to modification | 6.00% |
Interest rate reduction, weighted-average contractual interest rate, after modification | 4.00% |
Mortgage Loans: | One-to-four family first mortgage |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Amortized Cost | $ 2 |
Percent of Total Loan class | 0.03% |
Interest Rate Reduction |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Amortized Cost | $ 44 |
Interest Rate Reduction | Mortgage Loans: | Commercial real estate |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Amortized Cost | $ 44 |
Interest rate reduction, weighted-average contractual interest rate, prior to modification | 10.50% |
Interest rate reduction, weighted-average contractual interest rate, after modification | 4.00% |
Interest Rate Reduction | Mortgage Loans: | One-to-four family first mortgage |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Amortized Cost | $ 0 |
Interest rate reduction, weighted-average contractual interest rate, prior to modification | 4.84% |
Interest rate reduction, weighted-average contractual interest rate, after modification | 3.97% |
Term Extension |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Amortized Cost | $ 1 |
Term Extension | Mortgage Loans: | Commercial real estate |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Amortized Cost | 0 |
Term Extension | Mortgage Loans: | One-to-four family first mortgage |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Amortized Cost | $ 1 |
Weighted-average Term (in years) | 12 years 8 months 12 days |
Combination - Interest Rate Reduction & Term Extension |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Amortized Cost | $ 1 |
Combination - Interest Rate Reduction & Term Extension | Mortgage Loans: | Commercial real estate |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Amortized Cost | 0 |
Combination - Interest Rate Reduction & Term Extension | Mortgage Loans: | One-to-four family first mortgage |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Amortized Cost | $ 1 |

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