DEBT - Schedule of Debt (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Total long-term debt	$ 4,475	$ 4,475
Less unamortized discount and debt issuance costs	(42)	(44)
Long-term debt, less unamortized discount and debt issuance costs	4,433	4,431
Less current portion	0	0
Total long-term debt, less current portion	4,433	4,431
Notes 2026 | Senior Notes
Debt Instrument [Line Items]
Total long-term debt	$ 1,250	$ 1,250
Effective interest rate (as a percent)	12.00%	12.00%
Convertible Green Notes Due 2029 | Convertible Debt
Debt Instrument [Line Items]
Total long-term debt	$ 1,500	$ 1,500
Effective interest rate (as a percent)	4.90%	4.90%
Convertible Green Notes Due 2030 | Convertible Debt
Debt Instrument [Line Items]
Total long-term debt	$ 1,725	$ 1,725
Effective interest rate (as a percent)	3.80%	3.80%