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FEDERAL HOME LOAN BANK MEMBERSHIP (Details) - Federal Home Loan Bank of New York - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]        
Maximum percentage of admitted assets allowed for borrowing base 10.00%   10.00%  
Admitted assets for FHLB $ 32,400   $ 32,400  
Maximum amount available under FHLB 3,200   3,200  
Outstanding borrowings 1,000   1,000  
Interest expense 10 $ 12 $ 21 $ 24
Amount of borrowed funds required to be used to acquire additional membership stock, percentage     4.50%  
Everest Reinsurance Company (Everest Re)        
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]        
Collateral pledged $ 1,300   $ 1,300