RELATED-PARTY TRANSACTIONS - Schedule of Dividends Received on Preferred Shares (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Dividends from preferred shares of affiliate \| Affiliated Entity
Related Party Transaction [Line Items]
Dividends received on preferred stock of affiliate	$ 8	$ 8	$ 16	$ 16

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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EVEREST REINSURANCE HOLDINGS INC 10-Q