TAXES - Details of General Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
General Taxes
kWh excise	$ 185	$ 191	$ 189
State gross receipts	235	219	190
Real and personal property	615	596	571
Social security and unemployment	113	105	103
Other	16	18	20
Total general taxes	$ 1,164	$ 1,129	$ 1,073