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Events After the End of the Reporting Period (Narrative) (Details)
€ in Millions, $ in Millions
Mar. 31, 2024
EUR (€)
Feb. 29, 2024
Jan. 31, 2024
USD ($)
Aria Energy Ltd [Member]      
Disclosure of non-adjusting events after reporting period [line items]      
Ownership percentage acquired   80.00%  
PV projects in Hungary [Member]      
Disclosure of non-adjusting events after reporting period [line items]      
Loan facility | € € 37.6    
Energy Transition Technology Fund [Member]      
Disclosure of non-adjusting events after reporting period [line items]      
Investments | $     $ 6