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DAC AND POLICYHOLDER BONUS INTEREST CREDITS - Changes in Deferred Asset for Policyholder Bonus Interest Credits (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Changes in the deferred asset for contractholder bonus interest credits      
Balance, beginning of year $ 373 $ 404 $ 430
Amortization charged to income (39) (31) (26)
Balance, end of year $ 334 $ 373 $ 404