DEBT - Convertible Unsecured Notes Narrative (Details) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Mar. 31, 2024	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Mar. 31, 2025
Debt Instrument [Line Items]
Realized loss on extinguishment of debt		$ 0	$ 14	$ 0
Repayment of 2024 convertible notes		$ 0	$ 10	$ 0
2024 Convertible Notes | Convertible Debt
Debt Instrument [Line Items]
Repayments and repurchases of debt	$ 403
Effective stated interest rate	4.625%
Realized loss on extinguishment of debt	$ 14
Extinguishment of debt, amount	$ 393
Conversion of 2024 convertible notes (in shares)	20,000,000
Repayment of 2024 convertible notes	$ 10
March 2025 Notes (principal amount outstanding of $0 and $600, respectively) | Senior Notes
Debt Instrument [Line Items]
Effective stated interest rate					4.25%