XML 126 R103.htm IDEA: XBRL DOCUMENT v3.24.0.1
Commodity and Other Derivative Contractual Assets and Liabilities - Schedule of Notional Amounts of Outstanding Derivative Positions (Details)
gal in Millions, certificate in Millions, T in Millions, MMBTU in Millions, $ in Millions
Dec. 31, 2023
USD ($)
GWh
certificate
T
MMBTU
gal
Dec. 31, 2022
USD ($)
MMBTU
GWh
certificate
gal
T
Natural gas    
Derivatives, Fair Value [Line Items]    
Notional Volume | MMBTU 5,335 6,007
Electricity    
Derivatives, Fair Value [Line Items]    
Notional Volume | GWh 800,001 754,762
Financial transmission rights    
Derivatives, Fair Value [Line Items]    
Notional Volume | GWh 250,895 225,845
Coal    
Derivatives, Fair Value [Line Items]    
Notional Volume | T 35 48
Fuel oil    
Derivatives, Fair Value [Line Items]    
Notional Volume | gal 3 105
Emissions    
Derivatives, Fair Value [Line Items]    
Notional Volume | T 24 40
Renewable energy certificates    
Derivatives, Fair Value [Line Items]    
Notional Volume | certificate 29 31
Interest rate swaps, variable/fixed    
Derivatives, Fair Value [Line Items]    
Notional Amount | $ $ 5,225 $ 6,720
Interest rate swaps, fixed/variable    
Derivatives, Fair Value [Line Items]    
Notional Amount | $ $ 1,300 $ 2,120