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Trade and other payables - Additional information (Details) - EUR (€) € in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Trade and other payables
Increase (decrease) in trade payables	€ 2,732
Payroll payables	255	€ 328
Other payables	1,780	1,453
Payables for social security contributions	100	112
Trade and other payables	25,709	21,720
Payables to factoring companies in relation to the recognition of Eni's tax credits	246
Miscellaneous other payables	895
Euro
Trade and other payables
Trade and other payables	14,970
US Dollars
Trade and other payables
Trade and other payables	10,048
Global Gas & LNG Portfolio
Trade and other payables
Increase (decrease) in trade payables	1,281
Refining & Marketing and Chemical
Trade and other payables
Increase (decrease) in trade payables	1,248
Gas take-or-pay contracts
Trade and other payables
Other payables	€ 284	€ 185

X

- Definition

The amount of current payables on social security.

+ References

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 miscellaneous other current 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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- 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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