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BUSINESS SEGMENT INFORMATION - Narrative (Details)
$ in Millions
12 Months Ended
Dec. 31, 2022
USD ($)
segment
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Segment Reporting [Abstract]      
Number of reportable segments | segment 4    
Operating earnings (expense) excluding SCS-related DAC amortization | $ $ 78 $ (16) $ (34)