XML 297 R226.htm IDEA: XBRL DOCUMENT
v3.19.1

Other information about investments (Details 8) | 12 Months Ended |  |
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Dec. 31, 2018 EUR (€) | Dec. 31, 2018 USD ($) | Dec. 31, 2018 CHF (SFr) | Dec. 31, 2018 EGP (ج.م.) | Dec. 31, 2018 PKR (₨) | Dec. 31, 2018 KZT (₸) | Dec. 31, 2017 EUR (€)
Disclosure of detailed information about investment property [line items] |  |  |  |  |  |  |  |
Share capital |  | € 4,005,000,000 |  |  |  |  |  | € 4,005,000,000
In Italy [Member] | Other Activities [Member] | Subsidiaries One [Member] |  |  |  |  |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |  |  |  |  |
Company name |  | Filatura Tessile Nazionale Italiana - FILTENI SpA (in liquidation) |  |  |  |  |  |
Registered office |  | Ferrandina (MT) |  |  |  |  |  |
Country of operation |  | Italy |  |  |  |  |  |
Share capital |  | € 4,644,000 |  |  |  |  |  |
Consolidation or valutation method | [1] | Co. |  |  |  |  |  |
In Italy [Member] | Other Activities [Member] | Subsidiaries One [Member] | Third parties [Member] |  |  |  |  |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |  |  |  |  |
Name Of Share holders |  | Third parties |  |  |  |  |  |
% Ownership |  | 40.44% |  |  |  |  |  |
In Italy [Member] | Other Activities [Member] | Subsidiaries One [Member] | Syndial SpA [Member] |  |  |  |  |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |  |  |  |  |
Name Of Share holders |  | Syndial SpA |  |  |  |  |  |
% Ownership | [2] | 59.56% |  |  |  |  |  |
In Italy [Member] | Other Activities [Member] | Subsidiaries Two [Member] |  |  |  |  |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |  |  |  |  |
Company name |  | Ottana Sviluppo ScpA (in liquidation) |  |  |  |  |  |
Registered office |  | Nuoro |  |  |  |  |  |
Country of operation |  | Italy |  |  |  |  |  |
Share capital |  | € 516,000 |  |  |  |  |  |
Consolidation or valutation method | [1] | Eq. |  |  |  |  |  |
In Italy [Member] | Other Activities [Member] | Subsidiaries Two [Member] | Third parties [Member] |  |  |  |  |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |  |  |  |  |
Name Of Share holders |  | Third parties |  |  |  |  |  |
% Ownership |  | 70.00% |  |  |  |  |  |
In Italy [Member] | Other Activities [Member] | Subsidiaries Two [Member] | Syndial SpA [Member] |  |  |  |  |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |  |  |  |  |
Name Of Share holders |  | Syndial SpA |  |  |  |  |  |
% Ownership |  | 30.00% |  |  |  |  |  |
In Italy [Member] | Other Activities [Member] | Subsidiaries Two [Member] | ENI SPA [Member] |  |  |  |  |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |  |  |  |  |
Name Of Share holders |  | Eni SpA |  |  |  |  |  |
In Italy [Member] | Other Activities [Member] | Subsidiaries Three [Member] |  |  |  |  |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |  |  |  |  |
Company name | [3],[4] | Saipem SpA |  |  |  |  |  |
Registered office |  | San Donato Milanese (MI) |  |  |  |  |  |
Country of operation |  | Italy |  |  |  |  |  |
Share capital |  | € 2,191,384,693 |  |  |  |  |  |
Consolidation or valutation method | [1] | Eq. |  |  |  |  |  |
In Italy [Member] | Other Activities [Member] | Subsidiaries Three [Member] | Third parties [Member] |  |  |  |  |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |  |  |  |  |
Name Of Share holders |  | Third parties |  |  |  |  |  |
% Ownership |  | 68.00% |  |  |  |  |  |
In Italy [Member] | Other Activities [Member] | Subsidiaries Three [Member] | ENI SPA [Member] |  |  |  |  |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |  |  |  |  |
Name Of Share holders |  | Eni SpA |  |  |  |  |  |
% Ownership |  | 30.54% |  |  |  |  |  |
In Italy [Member] | Other Activities [Member] | Subsidiaries Three [Member] | Saipem SpA [Member] |  |  |  |  |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |  |  |  |  |
Name Of Share holders |  | Saipem SpA |  |  |  |  |  |
% Ownership | [2] | 1.46% |  |  |  |  |  |
Outside Italy [Member] | Other Activities [Member] | Subsidiaries One [Member] |  |  |  |  |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |  |  |  |  |
Company name | [4] | Grid Edge (Private) Ltd |  |  |  |  |  |
Registered office |  | Saddar Town- Karachi (Pakistan) |  |  |  |  |  |
Country of operation |  | Pakistan |  |  |  |  |  |
Share capital |  |  |  |  |  | ₨ 1,200,000 | ₸ 2,133,967,100 |
Consolidation or valutation method | [1] | Eq. |  |  |  |  |  |
Outside Italy [Member] | Other Activities [Member] | Subsidiaries One [Member] | Third parties [Member] |  |  |  |  |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |  |  |  |  |
Name Of Share holders |  | Third parties |  |  |  |  |  |
% Ownership |  | 60.00% |  |  |  |  |  |
Outside Italy [Member] | Other Activities [Member] | Subsidiaries One [Member] | Eni International BV [Member] |  |  |  |  |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |  |  |  |  |
Name Of Share holders |  | Eni International BV |  |  |  |  |  |
% Ownership |  | 40.00% |  |  |  |  |  |
Outside Italy [Member] | Other Activities [Member] | Subsidiaries Two [Member] |  |  |  |  |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |  |  |  |  |
Registered office |  | Cairo (Egypt) |  |  |  |  |  |
Share capital | ج.م. |  |  |  |  | ج.م. 250,000 |  |  |
Outside Italy [Member] | Other Activities [Member] | Subsidiaries Two [Member] | Eni International BV [Member] |  |  |  |  |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |  |  |  |  |
Name Of Share holders |  | Eni International BV |  |  |  |  |  |
Outside Italy [Member] | Other Activities [Member] | Subsidiaries Three [Member] |  |  |  |  |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |  |  |  |  |
Registered office |  | Coira (Switzerland) |  |  |  |  |  |
Share capital | SFr |  |  |  | SFr 1,550,000 |  |  |  |
Outside Italy [Member] | Other Activities [Member] | Subsidiaries Three [Member] | Syndial SpA [Member] |  |  |  |  |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |  |  |  |  |
Name Of Share holders |  | Syndial SpA |  |  |  |  |  |
Outside Italy [Member] | Corporate And Other Activities [Member] | Subsidiaries One [Member] |  |  |  |  |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |  |  |  |  |
Company name |  | Commonwealth Fusion Systems Llc |  |  |  |  |  |
Registered office |  | Wilmington (USA) |  |  |  |  |  |
Country of operation |  | USA |  |  |  |  |  |
Share capital | $ |  |  | $ 148,291,710.38 |  |  |  |  |
Consolidation or valutation method | [1] | P.N. |  |  |  |  |  |
Outside Italy [Member] | Corporate And Other Activities [Member] | Subsidiaries One [Member] | Eni Next Llc [Member] |  |  |  |  |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |  |  |  |  |
Name Of Share holders |  | Eni Next Llc |  |  |  |  |  |
% Ownership |  | 35.72% |  |  |  |  |  |
Outside Italy [Member] | Corporate And Other Activities [Member] | Subsidiaries One [Member] | Third parties [Member] |  |  |  |  |  |  |  |
Disclosure of detailed information about investment property [line items] |  |  |  |  |  |  |  |
Name Of Share holders |  | Third parties |  |  |  |  |  |
% Ownership |  | 66.28% |  |  |  |  |  |
[1] | F.C. = full consolidation, J.O. = joint operation, Eq. = equity-accounted, Co. = valued at cost, F.V. = valued at fair value
[2] | Controlling interest:
[3] | Company with shares quoted in the regulated market of Italy or of other EU countries
[4] | Jointly controlled entity.

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