Transactions with related parties - Additional information (Details)	12 Months Ended
Dec. 31, 2024
SeaCorridor Srl \| Snam Group [Member]
Transactions With Related Parties
Equity interest disposed (as a percent)	49.90%

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

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