COMMITMENTS, CONTINGENCIES AND GUARANTEES - ENVIRONMENTAL ISSUES (Details) $ in Millions	Mar. 31, 2025 USD ($)
Environmental Issues [Line Items]
Potential monetary sanctions threshold	$ 1
Potential monetary sanctions threshold (as a percent)	1.00%
Environmental cost, potential monetary sanctions threshold, actual amount	$ 57
SDG&E
Environmental Issues [Line Items]
Environmental cost, potential monetary sanctions threshold, actual amount	20
SoCalGas
Environmental Issues [Line Items]
Environmental cost, potential monetary sanctions threshold, actual amount	$ 17