Annual report [Section 13 and 15(d), not S-K Item 405]

DERIVATIVE INSTRUMENTS AND HEDGING - Narrative (Details)

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DERIVATIVE INSTRUMENTS AND HEDGING - Narrative (Details)
$ in Millions
12 Months Ended
Dec. 31, 2024
USD ($)
MMBtu
MWh
Dec. 31, 2023
MMBtu
MWh
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Expected reclassification of net losses related to hedge contracts $ 68  
Not Designated as Hedging Instrument    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Loss on derivative $ (29)  
Commodity Contract | Natural Gas    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Notional Amount | MMBtu 143,250,000 168,590,000
Commodity Contract | Electricity    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Notional Amount | MWh 3,224,227 3,501,898