FAIR VALUE DISCLOSURES - Narrative (Details) - USD ($) $ in Millions	6 Months Ended		12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Fair Value Inputs, Assets Quantitative Information [Line Items]
Change in purchased market risk benefit asset fair value	$ (1,000)		$ (1,300)
AFS fixed maturities transferred from Level 3 to Level 2	88	$ 301
AFS fixed maturities transferred from Level 2 to Level 3	$ 57	$ 11
Percentage of total equity representing AFS fixed maturities transferred	5.90%	650.00%
Nonrecurring | Level 3
Fair Value Inputs, Assets Quantitative Information [Line Items]
Investments, fair value	$ 1,100		$ 873