TAXES - Details of General Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
General Taxes
kWh excise	$ 191	$ 189	$ 183
State gross receipts	219	190	182
Real and personal property	596	571	541
Social security and unemployment	105	103	112
Other	18	20	28
Total general taxes	$ 1,129	$ 1,073	$ 1,046