OTHER CONTINGENCIES AND COMMITMENTS (Other Commitments) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2040	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Operating Leased Assets [Line Items]
Payments for other commitments		$ 63	$ 105	$ 106
SB 901 securitization | Secured Debt | Forecast
Operating Leased Assets [Line Items]
Shareholder contribution amount	$ 775
Percentage surplus shared	25.00%
Minimum
Operating Leased Assets [Line Items]
Extension option for operating leases		1 year
Maximum
Operating Leased Assets [Line Items]
Extension option for operating leases		5 years