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BUSINESS SEGMENT INFORMATION - Narrative (Details)
$ in Millions
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2022
USD ($)
Sep. 30, 2021
USD ($)
Sep. 30, 2022
USD ($)
segment
Sep. 30, 2021
USD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Segment Reporting [Abstract]            
Number of reportable segments | segment     4      
Operating earnings excluding SCS-related DAC amortization | $ $ (24) $ (7) $ (94) $ 7 $ 16 $ 34