INSURANCE GROUP STATUTORY FINANCIAL INFORMATION - Narrative (Details)	3 Months Ended	6 Months Ended
	Jun. 30, 2022 USD ($) prescribedAndPermittedPractice	Jun. 30, 2022 USD ($) prescribedAndPermittedPractice	Jun. 30, 2021 USD ($)
Related Party Transaction [Line Items]
Number of prescribed and permitted practices | prescribedAndPermittedPractice	3	3
Statement of Statutory Accounting Principles 108
Related Party Transaction [Line Items]
Statutory accounting practices, statutory surplus, increase	$ 461,000,000	$ 461,000,000
Statutory accounting practices, statutory net income, decrease	$ 527,000,000	$ 900,000,000
Statutory accounting practices, hedging losses amortization period		5 years
Statutory accounting practices, statutory unassigned surplus, balance			$ 0
Regulation Number 213
Related Party Transaction [Line Items]
Statutory accounting practices, statutory surplus, increase (decrease) to new standard application		$ (3,100,000,000)
Statutory accounting practices, reserves phased-in, percentage	100.00%	100.00%
Statutory accounting practices, statutory net income, increase (decrease) to new standard application	$ (1,200,000,000)	$ (1,800,000,000)
Regulation Number 213 | Minimum
Related Party Transaction [Line Items]
Statutory accounting practices, total asset requirement	500,000,000	500,000,000
Regulation Number 213 | Maximum
Related Party Transaction [Line Items]
Statutory accounting practices, total asset requirement	$ 1,000,000,000	$ 1,000,000,000
Regulation Number 213 | Equitable Financial
Related Party Transaction [Line Items]
Statutory accounting practices, reserves phased-in, percentage	60.00%	60.00%
Regulation Number 213 with Seperate Accounts
Related Party Transaction [Line Items]
Statutory accounting practices, statutory surplus, increase (decrease) to new standard application	$ (1,800,000,000)	$ 1,800,000,000
Statutory accounting practices, statutory net income, increase (decrease) to new standard application	$ 1,000,000,000	$ 2,000,000,000