SUBSEQUENT EVENTS - Narrative (Details) - Subsequent Event $ in Millions	Jan. 18, 2018 USD ($)
Subsequent Event [Line Items]
Reinsurance transaction increase in statutory reserves resulting from reinsurance business acquired	$ 13,000
Reinsurance transaction, estimated capital investment	$ 1,170

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

No definition available.

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