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INSURANCE GROUP STATUTORY FINANCIAL INFORMATION - Narrative (Details)old - USD ($)
2 Months Ended 12 Months Ended
Feb. 17, 2023
Dec. 31, 2022
Dec. 31, 2020
Jun. 30, 2021
Feb. 28, 2018
Statutory Accounting Practices [Abstract]          
Shareholder dividends   $ 930,000,000 $ 2,100,000,000    
Subsequent Event          
Statutory Accounting Practices [Abstract]          
Shareholder dividends $ 1,700,000,000        
EQ AZ Life Re          
Statutory Accounting Practices [Abstract]          
Other restricted assets   1,700,000,000      
Revolving Credit Facility          
Statutory Accounting Practices [Abstract]          
Line of credit facility, maximum borrowing capacity   17,000,000      
Holdings Revolving Credit Facility | Revolving Credit Facility          
Statutory Accounting Practices [Abstract]          
Line of credit facility, maximum borrowing capacity       $ 1,500,000,000 $ 2,500,000,000
Holdings Revolving Credit Facility | Revolving Credit Facility | EQ AZ Life Re          
Statutory Accounting Practices [Abstract]          
Line of credit facility, maximum borrowing capacity   $ 2,100,000,000