Trade and other payables - Additional information (Details) - EUR (€) € in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Trade and other payables
Increase (decrease) in trade payables	€ (939)
Payroll payables	268	€ 287
Other payables	2,839	2,156
Payables for social security contributions	120	110
Trade and other payables	22,092	20,654
Payables to factoring companies in relation to the recognition of Eni's tax credits	1,129	728
Euro
Trade and other payables
Trade and other payables	11,487	10,200
US Dollars
Trade and other payables
Trade and other payables	10,047	10,421
Global Gas & LNG Portfolio
Trade and other payables
Increase (decrease) in trade payables	830
Gas take-or-pay contracts
Trade and other payables
Other payables	€ 199	€ 187

The amount of current payables on social security.

No definition available.

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- Definition

The amount of current payables to factoring companies in relation to the recognition of tax credits of the reporting entity.

+ References

No definition available.

+ Details

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- References

No definition available.

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- Definition

The amount of increase (decrease) in trade payables.

+ References

No definition available.

+ Details

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- Definition

The amount of current payables that the entity does not separately disclose in the same statement or note.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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+ Details

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- Definition

The amount of accruals for employee benefits (other than termination benefits) that are expected to be settled wholly within twelve months after the end of the annual reporting period in which the employees render the related services. [Refer: Accruals classified as current]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

The amount of current trade payables and current other payables. [Refer: Current trade payables; Other current payables]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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