RELATED PARTY TRANSACTIONS - Predecessor Company (Details) - USD ($)	1 Months Ended					3 Months Ended				6 Months Ended		12 Months Ended
	Mar. 31, 2022	Dec. 31, 2021	Jul. 31, 2021	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Related Party Transaction [Line Items]
Policy charges and fee income						$ 130,000,000	$ 97,000,000	$ 514,000,000			$ 1,022,000,000
Corporate expenses								6,000,000			13,000,000
Investment management expenses						1,000,000	4,000,000	6,000,000			13,000,000
Other invested assets		$ 106,000,000				273,000,000				$ 273,000,000		$ 106,000,000
Net Investment Income						$ 97,000,000	99,000,000	146,000,000			285,000,000
Income							20,000,000	107,000,000			209,000,000
Dividend to parent								188,000,000	$ 192,000,000
Prudential Annuities Inc.
Related Party Transaction [Line Items]
Capital contributions							0					$ 0
Return of capital	$ 306,000,000		$ 3,813,000,000
Dividend to parent		$ 451,000,000		$ 188,000,000	$ 192,000,000
Subsidiary of Common Parent
Related Party Transaction [Line Items]
Stock based program expense								300,000			300,000
Deferred compensation program, compensation expense								500,000			1,200,000
Pension expense, net							0	2,400,000			4,700,000
Welfare plans, expense							0	900,000			2,000,000
401(k), Employer matching contribution										4.00%
Voluntary savings plan, expense							0	900,000			1,800,000
Parent Company
Related Party Transaction [Line Items]
Corporate expenses							9,000,000
Parent Company | Line of Credit
Related Party Transaction [Line Items]
Funds borrowed	9,000,000,000						9,000,000,000
Affiliated Entity
Related Party Transaction [Line Items]
Funds borrowed, interest expense							0	4,000,000			8,000,000
Affiliated Entity | Prudential Annuities Distributors
Related Party Transaction [Line Items]
Policy charges and fee income							29,000,000	117,000,000			236,000,000
Affiliated Entity | P G I M
Related Party Transaction [Line Items]
Investment management expenses							4,000,000	6,000,000			12,000,000
Affiliated Entity | ASTISI And PGIM Investments
Related Party Transaction [Line Items]
Income							22,000,000	24,000,000			47,000,000
Corporate Joint Venture
Related Party Transaction [Line Items]
Other invested assets	$ 0						0
Net Investment Income							$ 0	$ 14,000,000			$ 18,000,000