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Guarantees, commitments and risks - Additional information (Details) T in Thousands | 12 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Dec. 31, 2022 EUR (€) T | Dec. 31, 2021 EUR (€) | Feb. 28, 2022 EUR (€) | Dec. 01, 2021 EUR (€) | Mar. 10, 2021 EUR (€) | Dec. 31, 2020 EUR (€) | Dec. 31, 2012 EUR (€)
Guarantees, commitments and risks |  |  |  |  |  |  |
Guarantees | € 17,563,000,000 | € 10,160,000,000 |  |  |  |  |
Capital commitments | 23,850,000,000 |  |  |  |  |  |
Risks | 1,228,000,000 | 934,000,000 |  |  |  |  |
Amount charged for contract of property | € 18,000,000 |  |  |  |  |  |
Period over which the management deems the liquidity reserves retained are enough to meet the financial obligations | 18 months |  |  |  |  |  |
Undrawn borrowing facilities | € 8,298,000,000 | 5,114,000,000 |  |  |  |  |
Lease liabilities | € 4,951,000,000 | 5,337,000,000 |  |  |  | € 5,018,000,000 |
Quantity of total emission of carbon dioxide | T | 16,730 |  |  |  |  |  |
Quantity of free emission allowance of carbon dioxide | T | 4,980 |  |  |  |  |  |
Deficit quantity of emission allowance of carbon dioxide | T | 11,750 |  |  |  |  |  |
Non-hedging and trading derivatives, Income (expense) recognized in profit and loss account | € (1,723,000,000) | 597,000,000 |  |  |  |  |
Trade receivables and other, Income (expense) recognized in profit and loss account | 31,000,000 | (226,000,000) |  |  |  |  |
Financing receivables, Income (expense) recognized in profit and loss account | (16,000,000) | 39,000,000 |  |  |  |  |
Trade payables and other, Income (expense) recognized in profit and loss account | 53,000,000 | (80,000,000) |  |  |  |  |
Other operating income (loss) |  |  |  |  |  |  |
Guarantees, commitments and risks |  |  |  |  |  |  |
Non-hedging and trading derivatives, Income (expense) recognized in profit and loss account | 1,736,000,000 | 903,000,000 |  |  |  |  |
Financial income (expense) |  |  |  |  |  |  |
Guarantees, commitments and risks |  |  |  |  |  |  |
Non-hedging and trading derivatives, Income (expense) recognized in profit and loss account | 13,000,000 | 306,000,000 |  |  |  |  |
Trade receivables and other, Income (expense) recognized in profit and loss account | 16,000,000 | 53,000,000 |  |  |  |  |
Financing receivables, Income (expense) recognized in profit and loss account | 86,000,000 | 53,000,000 |  |  |  |  |
Interest income calculated on the basis of the effective interest rate |  |  |  |  |  |  |
Guarantees, commitments and risks |  |  |  |  |  |  |
Trade receivables and other, Income (expense) recognized in profit and loss account | 15,000,000 | 18,000,000 |  |  |  |  |
Interest expense calculated on the basis of the effective interest rate |  |  |  |  |  |  |
Guarantees, commitments and risks |  |  |  |  |  |  |
Financing receivables, Income (expense) recognized in profit and loss account | 568,000,000 | 487,000,000 |  |  |  |  |
Net (impairment losses) reversal of trade and other receivables |  |  |  |  |  |  |
Guarantees, commitments and risks |  |  |  |  |  |  |
Trade receivables and other, Income (expense) recognized in profit and loss account | 47,000,000 | 279,000,000 |  |  |  |  |
Net revaluations or impairments |  |  |  |  |  |  |
Guarantees, commitments and risks |  |  |  |  |  |  |
Financing receivables, Income (expense) recognized in profit and loss account | 111,000,000 | 25,000,000 |  |  |  |  |
Perpetual subordinated bonds |  |  |  |  |  |  |
Guarantees, commitments and risks |  |  |  |  |  |  |
Notional amount | 5,000,000,000 |  |  |  |  |  |
Project relating to Dogger Bank (C) |  |  |  |  |  |  |
Guarantees, commitments and risks |  |  |  |  |  |  |
Independent gurantee contract amount | € 1,259,000,000 | 494,000,000 |  |  |  |  |
Percentage of interest in project | 20.00% |  |  |  |  |  |
Spain, United States and Italy renewable energy project |  |  |  |  |  |  |
Guarantees, commitments and risks |  |  |  |  |  |  |
Capital commitments | € 210,000,000 |  |  |  |  |  |
Environmental claim relating to Municipality of Cengio |  |  |  |  |  |  |
Guarantees, commitments and risks |  |  |  |  |  |  |
Claim amount | 250,000,000 |  |  |  |  |  |
Alleged illegal handling of waste material |  |  |  |  |  |  |
Guarantees, commitments and risks |  |  |  |  |  |  |
Fine payable |  |  |  |  | € 700,000,000,000 |  |
Contextual confiscation amount |  |  |  |  | € 44,248,071,000,000 |  |
Congo proceedings |  |  |  |  |  |  |
Guarantees, commitments and risks |  |  |  |  |  |  |
Sanction agreed | 11,800,000 |  |  |  |  |  |
Derivatives |  |  |  |  |  |  |
Guarantees, commitments and risks |  |  |  |  |  |  |
Gross amount of financial assets and liabilities subject to offsetting | 5,863,000,000 | 7,159,000,000 |  |  |  |  |
Eni Abu Dhabi Refining & Trading BV |  |  |  |  |  |  |
Guarantees, commitments and risks |  |  |  |  |  |  |
Capital commitments | 3,748,000,000 | € 3,532,000,000 |  |  |  |  |
Eni Abu Dhabi Refining & Trading BV | ADNOC Refining |  |  |  |  |  |  |
Guarantees, commitments and risks |  |  |  |  |  |  |
Equity interest acquired (as a percent) |  | 20.00% |  |  |  |  |
Eni Trading Shipping Inc |  |  |  |  |  |  |
Guarantees, commitments and risks |  |  |  |  |  |  |
Gross amount of financial assets and liabilities subject to offsetting | 55,000,000 | € 71,000,000 |  |  |  |  |
Eni Rewind SpA and Versalis SpA | Porto Torres dock damage |  |  |  |  |  |  |
Guarantees, commitments and risks |  |  |  |  |  |  |
Claim amount |  |  |  |  |  |  | € 1,500,000,000
Eni Rewind SpA | Priolo - Malformation civil lawsuits [member] |  |  |  |  |  |  |
Guarantees, commitments and risks |  |  |  |  |  |  |
Claim amount |  |  | € 800,000 |  |  |  |
Exploration & Production |  |  |  |  |  |  |
Guarantees, commitments and risks |  |  |  |  |  |  |
Gross amount of financial assets and liabilities subject to offsetting | 2,651,000,000 | 1,540,000,000 |  |  |  |  |
Global Gas & LNG Portfolio | Italy |  |  |  |  |  |  |
Guarantees, commitments and risks |  |  |  |  |  |  |
Independent gurantee contract amount | 388,000,000 | 16,000,000 |  |  |  |  |
Committed borrowing facilities |  |  |  |  |  |  |
Guarantees, commitments and risks |  |  |  |  |  |  |
Undrawn borrowing facilities | 8,298,000,000 |  |  |  |  |  |
Committed borrowing facilities | Sustainability-linked bond |  |  |  |  |  |  |
Guarantees, commitments and risks |  |  |  |  |  |  |
Commited credit lines | 6,000,000,000 |  |  |  |  |  |
Euro Medium Term Notes |  |  |  |  |  |  |
Guarantees, commitments and risks |  |  |  |  |  |  |
Maximum amount issuable | 20,000,000,000 |  |  |  |  |  |
Notional amount | 15,800,000,000 |  |  |  |  |  |
Risk associated with contractual assurances to acquirers |  |  |  |  |  |  |
Guarantees, commitments and risks |  |  |  |  |  |  |
Risks | 262,000,000 | € 246,000,000 |  |  |  |  |
Value of assets of third parties under custody |  |  |  |  |  |  |
Guarantees, commitments and risks |  |  |  |  |  |  |
Risks | € 957,000,000 |  |  | € 688,000,000 |  |  |
Currency |  |  |  |  |  |  |
Guarantees, commitments and risks |  |  |  |  |  |  |
Percentage of confidence level | 99.00% |  |  |  |  |  |
Holding period | 20 days |  |  |  |  |  |
Interest rate risk |  |  |  |  |  |  |
Guarantees, commitments and risks |  |  |  |  |  |  |
Percentage of confidence level |  | 99.00% |  |  |  |  |
Holding period |  | 20 days |  |  |  |  |
Commodity price risk |  |  |  |  |  |  |
Guarantees, commitments and risks |  |  |  |  |  |  |
Percentage of confidence level | 95.00% |  |  |  |  |  |
Holding period | 1 day |  |  |  |  |  |
Strategic liquidity risk |  |  |  |  |  |  |
Guarantees, commitments and risks |  |  |  |  |  |  |
Percentage of confidence level | 99.00% |  |  |  |  |  |
Holding period | 1 day |  |  |  |  |  |
Period of medium and long-term financial debts for which coverage must be provided | 24 months |  |  |  |  |  |
Hydrocarbon exploration and production activities |  |  |  |  |  |  |
Guarantees, commitments and risks |  |  |  |  |  |  |
Capital commitments | € 73,334,000,000 | € 70,039,000,000 |  |  |  |  |
Angola LNG Supply Services Llc |  |  |  |  |  |  |
Guarantees, commitments and risks |  |  |  |  |  |  |
Percentage of interest in project | 65.00% | 13.60% |  |  |  |  |
Cardon IV SA |  |  |  |  |  |  |
Guarantees, commitments and risks |  |  |  |  |  |  |
Proportion of ownership interest in joint venture | 50.00% | 50.00% |  |  |  |  |
Proportion of voting rights held in joint venture | 50.00% | 50.00% |  |  |  |  |
Contractual volumes of gas amount |  | € 13,000,000,000 |  |  |  |  |
Saipem SpA |  |  |  |  |  |  |
Guarantees, commitments and risks |  |  |  |  |  |  |
Proportion of ownership interest in joint venture | 31.19% |  |  |  |  |  |
Proportion of voting rights held in joint venture | 31.20% | 31.20% |  |  |  |  |
Azule Energy Holdings Ltd |  |  |  |  |  |  |
Guarantees, commitments and risks |  |  |  |  |  |  |
Independent gurantee contracts and other personal guarantees amount | € 3,164,000,000 |  |  |  |  |  |
Proportion of ownership interest in joint venture | 50.00% |  |  |  |  |  |
Proportion of voting rights held in joint venture | 50.00% |  |  |  |  |  |
Partners of unincorporated joint operations |  |  |  |  |  |  |
Guarantees, commitments and risks |  |  |  |  |  |  |
Lease liabilities | € 760,000,000 | € 2,370,000,000 |  |  |  |  |
ENI SpA | Euro Medium Term Notes |  |  |  |  |  |  |
Guarantees, commitments and risks |  |  |  |  |  |  |
Notional amount | 13,400,000,000 |  |  |  |  |  |
Coral FLNG SA | Third parties |  |  |  |  |  |  |
Guarantees, commitments and risks |  |  |  |  |  |  |
Maximum financial guarantee given by the company | € 1,405,000,000 |  |  |  |  |  |
Percentage of obligation covered by guarantee | 100.00% |  |  |  |  |  |
Consolidated subsidiaries |  |  |  |  |  |  |
Guarantees, commitments and risks |  |  |  |  |  |  |
Guarantee for bid bonds and performance bonds | € 3,282,000,000 | 3,601,000,000 |  |  |  |  |
Underlying commitment | 7,003,000,000 | 6,267,000,000 |  |  |  |  |
Guarantees | 7,082,000,000 | 6,432,000,000 |  |  |  |  |
Consolidated subsidiaries | Exploration & Production |  |  |  |  |  |  |
Guarantees, commitments and risks |  |  |  |  |  |  |
Independent gurantee contract amount | 1,098,000,000 | 943,000,000 |  |  |  |  |
Consolidated subsidiaries | Third parties |  |  |  |  |  |  |
Guarantees, commitments and risks |  |  |  |  |  |  |
Independent gurantee contract amount | 252,000,000 | 913,000,000 |  |  |  |  |
Investments in unconsolidated entities controlled by Eni |  |  |  |  |  |  |
Guarantees, commitments and risks |  |  |  |  |  |  |
Guarantees | 202,000,000 | 190,000,000 |  |  |  |  |
Joint ventures and associates |  |  |  |  |  |  |
Guarantees, commitments and risks |  |  |  |  |  |  |
Guarantee for bid bonds and performance bonds | 1,891,000,000 | 1,764,000,000 |  |  |  |  |
Underlying commitment | 6,859,000,000 | 1,816,000,000 |  |  |  |  |
Guarantees | 9,802,000,000 | 3,358,000,000 |  |  |  |  |
Joint ventures and associates | Unsecured and other guarantees |  |  |  |  |  |  |
Guarantees, commitments and risks |  |  |  |  |  |  |
Bank guarantee | 1,499,000,000 | 1,413,000,000 |  |  |  |  |
Joint ventures and associates | Gulf LNG Energy and Gulf LNG Pipeline |  |  |  |  |  |  |
Guarantees, commitments and risks |  |  |  |  |  |  |
Guarantees | 190,000,000 | 179,000,000 |  |  |  |  |
Joint ventures and associates | Coral FLNG SA |  |  |  |  |  |  |
Guarantees, commitments and risks |  |  |  |  |  |  |
Guarantee for bid bonds and performance bonds | 1,378,000,000 | 1,260,000,000 |  |  |  |  |
Others |  |  |  |  |  |  |
Guarantees, commitments and risks |  |  |  |  |  |  |
Underlying commitment | 323,000,000 | 124,000,000 |  |  |  |  |
Guarantees | 477,000,000 | 180,000,000 |  |  |  |  |
Others | State oil Company of Mozambique ENH |  |  |  |  |  |  |
Guarantees, commitments and risks |  |  |  |  |  |  |
Guarantees | € 167,000,000 | € 157,000,000 |  |  |  |  |

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