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Finance debts (Tables) | 12 Months Ended
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Dec. 31, 2021
Statements |
Schedule of finance debts | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2021 | ​ | December 31, 2020
​ | ​ | ​ | ​ | Current |  | ​ | ​ | ​ | ​ | ​ | ​ | Current |  | ​ | ​ | ​
​ | ​ | ​ | ​ | portion of | ​ | ​ | ​ | ​ | ​ | ​ | ​ | portion of | ​ | ​ | ​ | ​
​ | ​ | Short-term | ​ | long-term | ​ | Long-term | ​ | ​ | ​ | Short-term | ​ | long-term | ​ | Long-term | ​ | ​
(€ million) |  | debt |  | debt |  | debt |  | Total |  | debt |  | debt |  | debt |  | Total
Banks |  | 362 |  | 347 |  | 4,650 |  | 5,359 |  | 337 |  | 759 |  | 3,193 |  | 4,289
Ordinary bonds |  | — |  | 913 |  | 18,049 |  | 18,962 |  | — |  | 1,140 |  | 18,280 |  | 19,420
Convertible bonds |  | — |  | 399 |  | — |  | 399 |  | — |  | — |  | 396 |  | 396
Sustainability-Linked Bond | ​ | — | ​ | 2 | ​ | 996 | ​ | 998 | ​ | — | ​ | — | ​ | — | ​ | —
Commercial papers |  | 836 |  | — |  | — |  | 836 |  | 2,233 |  | — |  | — |  | 2,233
Other financial institutions |  | 1,101 |  | 120 |  | 19 |  | 1,240 |  | 312 |  | 10 |  | 26 |  | 348
​ |  | 2,299 |  | 1,781 |  | 23,714 |  | 27,794 |  | 2,882 |  | 1,909 |  | 21,895 |  | 26,686
Schedule of fair value of long-term debt | Fair value of long-term debt, including the current portion of long-term debt is described below: ​
​ | ​ | ​ | ​ | ​
​ |  | December 31, |  | December 31,
(€ million) | ​ | 2021 | ​ | 2020
Ordinary bonds and Sustainability-Linked Bond |  | 23,070 |  | 22,429
Convertible bonds |  | 513 |  | 497
Banks |  | 5,029 |  | 4,008
Other financial institutions |  | 138 |  | 36
​ |  | 28,750 |  | 26,970
Schedule of changes in liabilities arising from financing activities | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Long-term debt | ​ | ​ | ​ | Long-term and current | ​ | ​
​ | ​ | and current | ​ | Short-term | ​ | portion of long-term lease | ​ | ​
(€ million) |  | portion of long-term debt |  | debt |  | liabilities |  | Total
Carrying amount at December 31, 2020 | ​ | 23,804 | ​ | 2,882 | ​ | 5,018 | ​ | 31,704
Cash flows |  | 666 |  | (910) | ​ | (939) | ​ | (1,183)
Currency translation differences |  | 255 |  | 153 | ​ | 303 | ​ | 711
Changes in the scope of consolidation | ​ | 545 | ​ | 160 | ​ | 103 | ​ | 808
Other non-monetary changes |  | 225 |  | 14 | ​ | 852 | ​ | 1,091
Carrying amount at December 31, 2021 |  | 25,495 |  | 2,299 | ​ | 5,337 | ​ | 33,131
Carrying amount at December 31, 2019 |  | 22,066 | ​ | 2,452 | ​ | 5,648 | ​ | 30,166
Cash flows | ​ | 2,178 | ​ | 937 | ​ | (869) | ​ | 2,246
Currency translation differences | ​ | (348) | ​ | (528) | ​ | (333) | ​ | (1,209)
Changes in the scope of consolidation | ​ | 64 | ​ | 22 | ​ | 4 | ​ | 90
Other non-monetary changes | ​ | (156) | ​ | (1) | ​ | 568 | ​ | 411
Carrying amount at December 31, 2020 | ​ | 23,804 | ​ | 2,882 | ​ | 5,018 | ​ | 31,704
Currency |
Statements |
Schedule of finance debts | The following table provides a breakdown by currency of finance debt and the related weighted average interest rates: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2021 | ​ | December 31, 2020
​ | ​ | ​ | ​ | ​ | ​ | Long term | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Long term | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | debt and | ​ | ​ | ​ | ​ | ​ | ​ | ​ | debt and | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | current | ​ | ​ | ​ | ​ | ​ | ​ | ​ | current | ​ | ​
​ | ​ | Short term | ​ | ​ | ​ | portion of long | ​ | ​ | ​ | Short term | ​ | ​ | ​ | portion of long | ​ | ​
​ | ​ | debt | ​ | Average rate | ​ | term debt | ​ | Average rate | ​ | debt | ​ | Average rate | ​ | term debt | ​ | Average rate
​ |  | (€ million) |  | (%) |  | (€ million) |  | (%) |  | (€ million) |  | (%) |  | (€ million) |  | (%)
Euro |  | 1,356 | ​ | — |  | 20,399 |  | 1.5 |  | 1,004 | ​ | — |  | 19,142 |  | 1.7
U.S. dollar |  | 928 | ​ | 0.2 |  | 5,096 |  | 3.8 |  | 1,870 | ​ | 1.1 |  | 4,522 |  | 4.6
Other currencies |  | 15 | ​ | (0.3) |  | — |  | — |  | 8 | ​ | (0.5) |  | 140 |  | 4.3
​ |  | 2,299 | ​ | — |  | 25,495 | ​ | — |  | 2,882 | ​ | — |  | 23,804 | ​ | —
Ordinary Bonds |
Statements |
Schedule of finance debts | The following table provides a breakdown of ordinary bonds by issuing entity, maturity date, interest rate and currency as of December 31, 2021: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Discount on bond | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |
​ | ​ | ​ |  | issue and accrued | ​ | ​ | ​ | ​ | ​ | Maturity | ​ | Rate %
(€ million) |  | Amount |  | expense |  | Total |  | Currency |  | from |  | to |  | from |  | to
Issuing entity |  |  |  |  |  |  |  |  |  |  | ​ | ​ | ​ | ​ |  |
Euro Medium Term Notes |  |  |  |  |  |  |  |  |  |  | ​ | ​ | ​ | ​ |  |
Eni SpA |  | 1,000 |  | 29 |  | 1,029 |  | EUR | ​ | ​ |  | 2029 | ​ | ​ |  | 3.625
Eni SpA |  | 1,200 |  | 15 |  | 1,215 |  | EUR | ​ | ​ |  | 2025 | ​ | ​ |  | 3.750
Eni SpA |  | 1,000 |  | 13 |  | 1,013 |  | EUR | ​ | ​ |  | 2023 | ​ | ​ |  | 3.250
Eni SpA |  | 1,000 |  | 10 |  | 1,010 |  | EUR | ​ | ​ |  | 2026 | ​ | ​ |  | 1.500
Eni SpA |  | 1,000 |  | 10 |  | 1,010 |  | EUR | ​ | ​ |  | 2031 | ​ | ​ |  | 2.000
Eni SpA |  | 1,000 |  | 3 |  | 1,003 |  | EUR | ​ | ​ |  | 2030 | ​ | ​ |  | 0.625
Eni SpA |  | 1,000 |  | 1 |  | 1,001 |  | EUR | ​ | ​ |  | 2026 | ​ | ​ |  | 1.250
Eni SpA |  | 900 |  | (1) |  | 899 |  | EUR | ​ | ​ |  | 2024 | ​ | ​ |  | 0.625
Eni SpA |  | 800 |  | 1 |  | 801 |  | EUR | ​ | ​ |  | 2028 | ​ | ​ |  | 1.625
Eni SpA |  | 750 |  | 11 |  | 761 |  | EUR | ​ | ​ |  | 2024 | ​ | ​ |  | 1.750
Eni SpA |  | 750 |  | 7 |  | 757 |  | EUR | ​ | ​ |  | 2027 | ​ | ​ |  | 1.500
Eni SpA |  | 750 |  | (4) |  | 746 |  | EUR | ​ | ​ |  | 2034 | ​ | ​ |  | 1.000
Eni SpA |  | 700 |  | 3 |  | 703 |  | EUR | ​ | ​ |  | 2022 | ​ | ​ |  | 0.750
Eni SpA |  | 650 |  | 4 |  | 654 |  | EUR | ​ | ​ |  | 2025 | ​ | ​ |  | 1.000
Eni SpA |  | 600 |  | (3) |  | 597 |  | EUR | ​ | ​ |  | 2028 | ​ | ​ |  | 1.125
Eni Finance International SA |  | 1,545 | ​ | (4) |  | 1,541 |  | USD |  | 2026 |  | 2027 |  | ​ |  | variable
Eni Finance International SA |  | 795 |  | 7 |  | 802 |  | EUR |  | 2025 |  | 2043 | ​ | 1.275 |  | 5.441
​ |  | 15,440 |  | 102 |  | 15,542 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Other bonds |  |  |  |  |  |  |  |  |  |  | ​ | ​ | ​ | ​ |  |
Eni SpA |  | 883 |  | 7 |  | 890 |  | USD |  | ​ | ​ | 2023 | ​ | ​ |  | 4.000
Eni SpA |  | 883 |  | 4 |  | 887 |  | USD |  | ​ | ​ | 2028 | ​ | ​ |  | 4.750
Eni SpA | ​ | 883 | ​ | — | ​ | 883 | ​ | USD | ​ | ​ | ​ | 2029 | ​ | ​ | ​ | 4.250
Eni SpA | ​ | 309 | ​ | 1 | ​ | 310 | ​ | USD | ​ | ​ | ​ | 2040 | ​ | ​ | ​ | 5.700
Eni USA Inc |  | 353 |  | — |  | 353 |  | USD |  | ​ | ​ | 2027 | ​ | ​ |  | 7.300
CEF3 Wind Energy SpA |  | 99 |  | (2) |  | 97 |  | EUR |  | ​ | ​ | 2025 | ​ | ​ |  | 2.010
​ |  | 3,410 |  | 10 |  | 3,420 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 18,850 |  | 112 |  | 18,962 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Convertible Bonds |
Statements |
Schedule of finance debts | The following table provides a breakdown of convertible bonds issued by Eni SpA as of December 31, 2021: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Discount on bond | ​ | ​ | ​ | ​ | ​ | ​ | ​ |
​ | ​ | ​ | ​ | issue and accrued | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(€ million) |  | Amount |  | expense |  | Total |  | Currency |  | Maturity |  | Rate %
Eni SpA |  | 400 |  | (1) |  | 399 |  | EUR |  | 2022 |  | 0.000
Sustainability-linked bond |
Statements |
Schedule of finance debts | Information relating to the sustainability-linked bond is as follows:
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ |  | Discount on bond |  | ​ |  | ​ |  | ​ |  | ​ | ​
​ | ​ | ​ | ​ | issue and accrued | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(€ million) | ​ | Amount | ​ | expense | ​ | Total | ​ | Currency | ​ | Maturity | ​ | Rate% | ​
Eni SpA |  | 1,000 |  | (2) |  | 998 |  | EUR |  | 2,028 |  | 0.375 | ​

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