v3.26.3
DERIVATIVES (Outstanding Derivative Balances) (Details) - Commodity Contract - Utility - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Derivatives And Hedging Activities [Line Items]    
Gross Derivative Balance, Assets $ 103 $ 60
Netting, Assets 0 0
Cash Collateral 14 0
Total Derivative Balance, Assets 117 60
Balance Sheet Location [Axis]: us-gaap:OtherAssetsCurrent    
Derivatives And Hedging Activities [Line Items]    
Gross Derivative Balance, Assets 131 165
Netting, Assets (11) (46)
Cash Collateral 0 0
Total Derivative Balance, Assets 120 119
Balance Sheet Location [Axis]: us-gaap:OtherAssetsNoncurrent    
Derivatives And Hedging Activities [Line Items]    
Gross Derivative Balance, Assets 139 170
Netting, Assets (1) (6)
Cash Collateral 0 0
Total Derivative Balance, Assets 138 164
Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesCurrent    
Derivatives And Hedging Activities [Line Items]    
Gross Derivative Balance, Liabilities (76) (169)
Netting, Liabilities 11 46
Cash Collateral 14 0
Total Derivative Balance, Liabilities (51) (123)
Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesNoncurrent    
Derivatives And Hedging Activities [Line Items]    
Gross Derivative Balance, Liabilities (91) (106)
Netting, Liabilities 1 6
Cash Collateral 0 0
Total Derivative Balance, Liabilities $ (90) $ (100)