v3.25.1
FAIR VALUE MEASUREMENTS AND DERIVATIVE INSTRUMENTS (Potential Offset of Counterparty Netting and Cash Collateral) (Details) - Energy Derivative Contracts - USD ($)
$ in Millions
Mar. 31, 2025
Dec. 31, 2024
Derivative Assets    
Gross Amount Recognized in the Balance Sheets $ 68 $ 37
Counterparty Netting of Energy Contracts 23 17
Cash Collateral Received/Posted 0 0
Net Amount 45 20
Derivative Liabilities    
Gross Amount Recognized in the Balance Sheets (48) (32)
Counterparty Netting of Energy Contracts (23) (17)
Cash Collateral Received/Posted 0 0
Net Amount $ (25) $ (15)