DERIVATIVE FINANCIAL INSTRUMENTS - CASH FLOW HEDGES ADDITIONAL INFORMATION (Details) $ in Millions	12 Months Ended
	Dec. 31, 2025 USD ($)
Derivative Instruments, Gain (Loss) [Line Items]
Cash flow hedge gain (loss) to be reclassified within 12 months	$ (2)
Cash flow hedge gain to be reclassified within 12 months, attributable to noncontrolling interest	$ 1
Maximum length of time hedged in cash flow hedge	1 year
SoCalGas
Derivative Instruments, Gain (Loss) [Line Items]
Cash flow hedge gain (loss) to be reclassified within 12 months	$ (1)