RELATED PARTY TRANSACTIONS - Predecessor Company (Details) - USD ($)	1 Months Ended						3 Months Ended	9 Months Ended	12 Months Ended
	Mar. 31, 2022	Dec. 31, 2021	Aug. 31, 2021	Jul. 31, 2021	Jun. 30, 2021	Mar. 31, 2021	Mar. 31, 2022	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2021	Jun. 30, 2023
Related Party Transaction [Line Items]
Policy charges and fee income							$ 97,000,000	$ 365,000,000	$ 456,000,000	$ 1,232,000,000
Investment management expenses							4,000,000	4,000,000	56,000,000	27,000,000
Net investment income							99,000,000	255,000,000	315,000,000	490,000,000
Income							20,000,000	71,000,000	91,000,000	255,000,000
Revenues							686,000,000	(1,190,000,000)	580,000,000	8,949,000,000
Accrued investment income								$ 52,000,000	$ 60,000,000
Dividends										831,000,000
PAI
Related Party Transaction [Line Items]
Return of capital	$ 306,000,000			$ 3,813,000,000
Dividends		$ 451,000,000			$ 188,000,000	$ 192,000,000
Pruco Life
Related Party Transaction [Line Items]
Long-term debt			$ 300,000,000
Long-term debt, fair value			326,000,000
Loss on extinguishment of debt			$ 24,000,000
Subsidiary of Common Parent
Related Party Transaction [Line Items]
Stock based program expense							0
Deferred compensation program, compensation expense							0			2,000,000
Pension expense, net							0			7,000,000
Welfare plans, expense							0			3,000,000
401(k), Employer matching contribution									4.00%
Voluntary savings plan, expense							0			3,000,000
Affiliated Entity
Related Party Transaction [Line Items]
Revenues										1,000,000
Accrued investment income		$ 2,000,000								2,000,000
Interest expense							0			9,000,000
Affiliated Entity | Prudential Annuities Distributors
Related Party Transaction [Line Items]
Policy charges and fee income							29,000,000			467,000,000
Affiliated Entity | P G I M
Related Party Transaction [Line Items]
Investment management expenses							4,000,000			23,000,000
Affiliated Entity | ASTISI And PGIM Investments
Related Party Transaction [Line Items]
Income							22,000,000			96,000,000
Parent Company
Related Party Transaction [Line Items]
Corporate expenses							9,000,000			35,000,000
Parent Company | Line of Credit
Related Party Transaction [Line Items]
Funds borrowed											$ 9,000,000,000
Corporate Joint Venture
Related Party Transaction [Line Items]
Net investment income							$ 0			$ 18,000,000