DAC AND POLICYHOLDER BONUS INTEREST CREDITS - Rollforward of DAC Costs (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Balance, beginning of year	$ 4,267	$ 3,816	$ 4,225
Balance, beginning of year	4,267	3,816
Capitalization of commissions, sales and issue expenses	702	724	564
Amortization:
Impact of assumptions updates and model changes	7	19	(866)
All other	(473)	(475)	(467)
Total amortization	(466)	(456)	(1,333)
Change in unrealized investment gains and losses	1,354	183	360
Balance, end of Year	$ 5,857	4,267	3,816
Balance, end of year		$ 4,267	$ 3,816