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Loans and Leases - TDRs (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2023 | Sep. 30, 2022
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |
Accruing |  |  | $ 16
Non- Accrual |  |  | 29
Total | $ 188 | $ 253 | 45
Mortgage Loans: | Multi-family |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |
Accruing |  |  | 0
Non- Accrual |  |  | 6
Total | 100 | 100 | 6
Mortgage Loans: | Commercial real estate |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |
Accruing |  |  | 16
Non- Accrual |  |  | 19
Total | 67 | 119 | 35
Other Loans: | Commercial and industrial |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |
Accruing |  |  | 0
Non- Accrual |  |  | 4
Total | $ 14 | 21 | $ 4
Other Loans: | Taxi medallion-related loans |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |
Total |  | $ 4 |

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