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LONG-TERM SUBORDINATED NOTES (Tables)
 9 Months Ended
Sep. 30, 2023
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, these subordinated notes are considered Level 2 in the fair value hierarchy.
Maturity DateSeptember 30, 2023December 31, 2022
(Dollars in millions)Date IssuedOriginal
Principal Amount		ScheduledFinalConsolidated Balance
Sheet Amount		Fair ValueConsolidated Balance
Sheet Amount		Fair Value
Long-term subordinated notes4/26/2007$400 5/15/20375/1/2067$218 $197 $218 $187 
Schedule of Interest Expense Incurred in Connection with Long Term Subordinated Notes
Interest expense incurred in connection with these long-term subordinated notes is as follows for the periods indicated:
Three Months Ended
September 30,		Nine Months Ended
September 30,
(Dollars in millions)2023202220232022
Interest expense incurred$4 $3 $12 $6