Quarterly report [Sections 13 or 15(d)]

DERIVATIVE INSTRUMENTS AND HEDGING (Details)

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DERIVATIVE INSTRUMENTS AND HEDGING (Details)
$ in Millions
3 Months Ended
Mar. 31, 2025
USD ($)
MMBtu
metricTons
MWh
Dec. 31, 2024
MMBtu
MWh
metricTons
Sales    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Reclassification of net losses $ (8)  
Cost of Sales    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Reclassification of net losses $ 37  
Commodity Contract | Natural Gas    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Notional Amount | MMBtu 120,600,000 143,250,000
Commodity Contract | Electricity    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Notional Amount | MWh 2,729,940 3,224,227
Commodity Contract | HRC    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Notional Amount | metricTons 395,000 0