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LONG-TERM SUBORDINATED NOTES (Tables) | 9 Months Ended
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Sep. 30, 2025
Long-Term Debt, Unclassified [Abstract] |
Schedule of Outstanding Fixed to Floating Rate Long Term Subordinated Notes | The table below displays Holdings’ outstanding fixed to floating rate long-term subordinated notes (“Subordinated Notes Issued 2007”). Fair value is based on quoted market prices, but due to limited trading activity, the Subordinated Notes Issued 2007 are considered Level 2 in the fair value hierarchy.
|  |  |  |  | Maturity Date |  | September 30, 2025 |  | December 31, 2024
(Dollars in millions) | Date Issued |  | Original Principal Amount |  | Scheduled |  | Final |  | Consolidated Balance Sheet Amount |  | Fair Value |  | Consolidated Balance Sheet Amount |  | Fair Value
Subordinated Notes Issued 2007 | 4/26/2007 |  | $ | 400 |  |  | 5/15/2037 |  | 5/1/2067 |  | $ | 218 |  |  | $ | 211 |  |  | $ | 218 |  |  | $ | 215 |
Schedule of Interest Expense Incurred in Connection with Long Term Subordinated Notes | Interest expense incurred in connection with these long-term Subordinated Notes Issued 2007 is as follows for the periods indicated:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
(Dollars in millions) | 2025 |  | 2024 |  | 2025 |  | 2024
Interest expense incurred | $ | 4 |  |  | $ | 4 |  |  | $ | 12 |  |  | $ | 13 |

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- Definition Tabular disclosure of borrowings under subordinated debt agreements that qualify as available in computing net capital under SEC uniform net capital rules for broker-dealers, including restrictive covenants, collateral, interest rates and due dates, amounts due by date and amount owed in total. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 470 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478878/942-470-45-1 + Details
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