FAIR VALUE MEASUREMENTS - Proceeds from the Sale of Investments in Available-for-sale Debt Securities (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Proceeds from the sale of investments in available-for-sale securities, realized gains and losses on those sales, and interest and dividend income
Sale proceeds	$ 10	$ 15	$ 28	$ 31
Realized gains	0	0	0	1
Realized losses	0	(2)	(2)	(4)
Interest and dividend income	$ 3	$ 3	$ 9	$ 9