DEBT - Interest Expense Related To The Convertible Notes (Details) - Convertible notes - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Debt Instrument [Line Items]
Interest expense	$ 5	$ 1	$ 14	$ 4
2027 Convertible Notes
Debt Instrument [Line Items]
Contractual interest expense	5	0	14	0
Amortization of debt issuance costs	0	0	2	0
Interest expense	$ 5	$ 0	$ 16	$ 0