INSURANCE LIABILITIES - SUCCESSOR COMPANY - Narrative (Details)	12 Months Ended
	Dec. 31, 2022
Measurement Input, Withdrawal Rate
Liability for Future Policy Benefit, by Product Segment [Line Items]
Measurement input	0.77
Minimum
Liability for Future Policy Benefit, by Product Segment [Line Items]
Average attained age of contractholders	45 years
Minimum     | Measurement Input, Utilization Rate
Liability for Future Policy Benefit, by Product Segment [Line Items]
Measurement input	0.925
Maximum
Liability for Future Policy Benefit, by Product Segment [Line Items]
Average attained age of contractholders	90 years
Maximum     | Measurement Input, Utilization Rate
Liability for Future Policy Benefit, by Product Segment [Line Items]
Measurement input	1
Maximum     | Measurement Input, Withdrawal Rate
Liability for Future Policy Benefit, by Product Segment [Line Items]
Measurement input	1