DEBT - Schedule of Outstanding Debt (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Total long-term debt	$ 4,475	$ 4,475
Less unamortized discount and debt issuance costs	(34)	(44)
Long-term debt, less unamortized discount and debt issuance costs	4,441	4,431
2026 Notes \| Senior Notes
Debt Instrument [Line Items]
Total long-term debt	$ 1,250	$ 1,250
Effective interest rate (as percent)	11.00%	12.00%
2029 Green Convertible Notes \| Convertible Debt
Debt Instrument [Line Items]
Total long-term debt	$ 1,500	$ 1,500
Effective interest rate (as percent)	4.80%	4.90%
2030 Green Convertible Notes \| Convertible Debt
Debt Instrument [Line Items]
Total long-term debt	$ 1,725	$ 1,725
Effective interest rate (as percent)	3.80%	3.80%

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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