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NON-FINANCIAL ASSETS AND LIABILITIES (Details 1) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
IfrsStatementLineItems [Line Items]    
Intangible assets, beginning $ 44 $ 62
Increase 31 4
Increases for incorporation [1] 94  
Decrease (18) (4)
Impairment [2] (6) (18)
Intangible assets, ending 145 44
Intangible assets amortization, beginning (6) (21)
Depreciation for the year (1) (1)
Impairment [2] 16
Intangible assets amortization, ending (7) (6)
Intangible assets 138 38
Concession Agreements [Member]    
IfrsStatementLineItems [Line Items]    
Intangible assets, beginning 2  
Increase  
Increases for incorporation [1]  
Decrease  
Impairment [2]  
Intangible assets, ending 2 2
Intangible assets amortization, beginning (2)  
Depreciation for the year  
Impairment [2]  
Intangible assets amortization, ending (2)  
Goodwill [member]    
IfrsStatementLineItems [Line Items]    
Intangible assets, beginning 35  
Increase  
Increases for incorporation [1]  
Decrease  
Impairment [2]  
Intangible assets, ending 35 35
Intangible assets 35 35
Intangibles Identified In Acquisitions Of Companies [Member]    
IfrsStatementLineItems [Line Items]    
Intangible assets, beginning 7  
Increase  
Increases for incorporation [1] 94  
Decrease  
Impairment [2]  
Intangible assets, ending 101 7
Intangible assets amortization, beginning (4)  
Depreciation for the year (1)  
Impairment [2]  
Intangible assets amortization, ending (5)  
Intangible assets 96 3
Digital Assets [Member]    
IfrsStatementLineItems [Line Items]    
Intangible assets, beginning  
Increase 31  
Increases for incorporation [1]  
Decrease (18)  
Impairment [2] (6)  
Intangible assets, ending 7
Intangible assets $ 7  
[1] See Notes 5.1.3 and 5.1.5.
[2] As of December 31, 2022, digital assets recoverability was affected by their closing market value, resulted in the recognition of impairment losses for US$ 6 million. Considering the assumptions detailed in Note 11.1, the assessment of recoverability for the Power Generation segment, resulted in the recognition of impairment losses for the Diamante hydroelectric power plant in an amount of US$ 2 million in 2021.