INSURANCE STATUTORY FINANCIAL INFORMATION - Narrative (Details)	3 Months Ended
	Mar. 31, 2023 USD ($) prescribedAndPermittedPractice	Dec. 31, 2022	Sep. 30, 2021 USD ($)
Related Party Transaction [Line Items]
Number of prescribed and permitted practices | prescribedAndPermittedPractice	3
Statement of Statutory Accounting Principles 108
Related Party Transaction [Line Items]
Statutory accounting practices, statutory surplus, increase	$ 63,000,000
Statutory accounting practices, statutory net income, decrease	$ 22,000,000
Statutory accounting practices, hedging losses amortization period (in years)	5 years
Statutory accounting practices, statutory unassigned surplus, balance			$ 0
Regulation Number 213
Related Party Transaction [Line Items]
Statutory accounting practices, statutory surplus, (decrease) increase to new standard application	$ 2,200,000,000
Statutory accounting practices, reserves phased-in (as a percent)		100.00%
Statutory accounting practices, statutory net income, increase (decrease) to new standard application	300,000,000
Regulation Number 213 with Seperate Accounts
Related Party Transaction [Line Items]
Statutory accounting practices, statutory surplus, (decrease) increase to new standard application	(2,000,000,000)
Statutory accounting practices, statutory net income, increase (decrease) to new standard application	$ 157,000,000