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Shareholders’ equity (Details 3) - EUR (€) € in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Disclosure of classes of share capital [abstract] |  |  |  |
Net Profit As Recorded in Eni Spa Financial Statements | € 3,586 | € 4,521 |  |
Excess of net equity stated in the separate accounts of consolidated subsidiaries over the corresponding carrying amounts of the parent company, Net profit | (466) | (5,480) |  |
- difference between purchase cost and underlying carrying amounts of net equity, Net profit | (1) | (44) |  |
- adjustments to comply with Group account policies, Net profit | 202 | (188) |  |
- elimination of unrealized intercompany profits, Net profit | (88) | (56) |  |
- deferred taxation, Net profit | 144 | (210) |  |
Net profit | 3,377 | (1,457) | € (9,373) |
Non-controlling interest, Net profit | 3 | 7 | (595) |
As recorded in Consolidated Financial Statements, Net profit | 3,374 | (1,464) | (8,778) |
As recorded in Eni SpA's Financial Statements, Shareholders' equity | 42,529 | 41,935 |  |
Excess of net equity stated in the separate accounts of consolidated subsidiaries over the corresponding carrying amounts of the parent company, Shareholders' equity | 6,110 | 12,384 |  |
- difference between purchase cost and underlying carrying amounts of net equity, Shareholders' equity | 145 | 240 |  |
- adjustments to comply with Group account policies, Shareholders' equity | 719 | 461 |  |
- elimination of unrealized intercompany profits, Shareholders' equity | (807) | (801) |  |
- deferred taxation, Shareholders' equity | (617) | (1,133) |  |
Total Shareholders' Equity | 48,079 | 53,086 | € 57,409 | € 65,641
Non-controlling interest, Shareholders' equity | (49) | (49) |  |
As recorded in Consolidated Financial Statements, Shareholders' equity | € 48,030 | € 53,037 |  |

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