FAIR VALUE MEASUREMENTS - SCHEDULE OF MEASUREMENT INPUTS (Details) - Commodity contracts not subject to rate recovery - Level 3 $ in Millions	Mar. 31, 2026 USD ($) $ / shares
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative liability | $	$ (51)
Minimum | Measurement Input, Commodity Forward Price
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative liability, measurement inputs	0.05
Maximum | Measurement Input, Commodity Forward Price
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative liability, measurement inputs	2.41
Weighted Average | Measurement Input, Commodity Forward Price
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative liability, measurement inputs	1.08