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DERIVATIVE FINANCIAL INSTRUMENTS - Notional Amount of Derivative Positions (Details)
$ in Millions
Dec. 31, 2022
USD ($)
GWh
MMBTU
Dec. 31, 2021
USD ($)
MMBTU
GWh
Foreign exchange    
Disclosure of detailed information about financial instruments [line items]    
Derivative, Notional Amount $ 50,361 $ 63,083
Interest rates    
Disclosure of detailed information about financial instruments [line items]    
Derivative, Notional Amount 60,600 55,899
Equity derivatives    
Disclosure of detailed information about financial instruments [line items]    
Derivative, Notional Amount $ 1,942 $ 4,448
Energy commodity instrument [Member]    
Disclosure of detailed information about financial instruments [line items]    
Nominal Amount of Commodity Derivatives | GWh 69,902 35,156
Natural gas commodity instrument [Member]    
Disclosure of detailed information about financial instruments [line items]    
Nominal Amount of Commodity Derivatives | MMBTU 128,381,000 246,375,000