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Reversals (Impairments) of tangible and intangible assets and right-of-use assets (Tables) | 12 Months Ended
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Dec. 31, 2022
Reversals (Impairments) of tangible and intangible assets and right-of-use assets |
Schedule of sensitivity analysis and the main underlying assumptions of each elaboration |
| Value in use of the O&G CGUs Headroom vs Carrying amounts |  |  | Assumption at 2050 in real terms USD 2021 |
| tax-deductible CO2 charges |  |  | non tax-deductible CO2 charges |  |  | Brent price |  |  | European gas price |  |  | Cost of CO2 |
Eni's scenario | >100 | % |  | - |  |  | 43 $/bbl |  |  | 5.3 $/mmBTU |  |  | CO2 costs projections in the EU/ETS + projections of forestry costs |
10% haircut of Eni's prices assumptions | 80 | % |  | - |  |  | 39 $/bbl |  |  | 4.8 $/mmBTU |  |  | CO2 costs projections in the EU/ETS + projections of forestry costs |
IEA NZE 2050 scenario | 55 | % |  | 49 | % |  | 24 $/bbl |  |  | 3.8 $/mmBTU |  |  | 250-180 $ per tonne of CO2 (*) |
(*) Prices relating to advanced/emerging economies |
Schedule of results of the sensitivity test in terms of changes in the cumulated headroom of oil&gas CGUs and potential pre-tax income statement impacts |
| 2023 |  |  | 2025 |  |  | 2030 |  |  | 2040 |  |  | 2050 |
Brent $/bbl | 73 |  |  | 63 |  |  | 62 |  |  | 53 |  |  | 43 |
TTF natural gas price $mmBtu | 23.5 |  |  | 13.5 |  |  | 6.0 |  |  | 6.0 |  |  | 5.3 |
Schedule of sensititivity analysis for linear cut of -10% of hydrocarbon prices for cash flow projections |
Sensitivity - 10% to Eni prices assumptions |  |
(€ billion) |  | Sensitivity |
Exploration & Production assets |  | (0.7 | )
Schedule of sensititivity analysis for assumption of the projections of hydrocarbon prices and CO2 costs of the decarbonization scenario |
Hydrocarbon prices and CO2 costs of the IEA NZE 2050 scenario |  |
(€ billion) |  | Sensitivity |
|  | Tax-deductible CO2 charges |  |  | Non tax-deductible CO2 charges |
Exploration & Production assets |  | (2.1 | ) |  | (2.8 | )

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- Definition Tabular disclosure of sensititivity analysis for assumption of the projections of hydrocarbon prices and CO2 costs of the decarbonization scenario. + References No definition available. + Details
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- Definition The disclosure of information for cash-generating units. [Refer: Cash-generating units [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2022-03-24 -Paragraph 134 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2022-en-r&anchor=para_134&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition Tabular disclosure of oil and gas sale price and production cost, including, but not limited to, average sale price and production cost per unit. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1204 + Details
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- Definition Tabular disclosure of the future net cash flows relating to proved oil and gas reserves and oil and gas subject to purchase under long-term agreements in which the enterprise participates in the operation of the properties on which the oil and gas is located or otherwise serves as the producer. This information is presented in aggregate and for each geographic area for which reserve quantities are disclosed. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Form 20-F -Section Item 18 -Subsection Instruction 2 + Details
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