RELATED PARTY TRANSACTIONS - Schedule of Affiliated Asset Transfers (Details) - USD ($) $ in Millions	3 Months Ended			6 Months Ended	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Mar. 31, 2022	Sep. 30, 2022	Sep. 30, 2023
Related Party Transaction [Line Items]
Investment gains (losses), net	$ (482)	$ (455)	$ 481	$ (1,753)	$ (604)
Affiliated Entity | Fortitude Re Investments, LLC
Related Party Transaction [Line Items]
Asset Transfer Fair Value	12				12
Asset Transfer Amortized Cost	12				12
Investment gains (losses), net					0
Affiliated Entity | Fortitude Re Investments, LLC
Related Party Transaction [Line Items]
Asset Transfer Fair Value	7				7
Asset Transfer Amortized Cost	$ 7				7
Investment gains (losses), net					$ 0
Affiliated Entity | Pruco Life
Related Party Transaction [Line Items]
Asset Transfer Fair Value			4
Asset Transfer Amortized Cost			5
Investment gains (losses), net			(1)
Affiliated Entity | Prudential Financial
Related Party Transaction [Line Items]
Asset Transfer Fair Value			29
Asset Transfer Amortized Cost			30
Investment gains (losses), net			(1)
Affiliated Entity | Pruco Life
Related Party Transaction [Line Items]
Asset Transfer Fair Value			0
Asset Transfer Amortized Cost			0
Investment gains (losses), net			0
Affiliated Entity | Pruco Life
Related Party Transaction [Line Items]
Asset Transfer Fair Value			129
Asset Transfer Amortized Cost			138
Investment gains (losses), net			(9)
Affiliated Entity | Prudential Financial
Related Party Transaction [Line Items]
Asset Transfer Fair Value			33
Asset Transfer Amortized Cost			33
Investment gains (losses), net			$ 0