FAIR VALUE MEASUREMENTS - Amortized Cost Basis, Unrealized Gains and Losses and Fair Values of Investments in Available-for-sale Securities (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Debt Securities, Available-for-sale [Line Items]
Short-term cash investments	$ 9	$ 5
Debt securities
Debt Securities, Available-for-sale [Line Items]
Cost Basis	296	294
Unrealized Gains	0	0
Unrealized Losses	(37)	(28)
Fair Value	$ 259	$ 266