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Provisions for employee benefits - Additional information (Details) - EUR (€) € in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018
Statement |  |
Net benefit liability (asset) | € 1,136 | € 1,117
Estimate of contributions expected to be paid to plan for next annual reporting period | 130 |
Exploration & Production |  |
Statement |  |
Net benefit liability (asset) | 175 | 181
Defined benefit plan |  |
Statement |  |
Estimate of contributions expected to be paid to plan for next annual reporting period | 57 |
Other benefit plans |  |
Statement |  |
Net benefit liability (asset) | 278 | € 309
Deferred monetary incentive plans |  |
Statement |  |
Net benefit liability (asset) | 132 |
Isopensione |  |
Statement |  |
Net benefit liability (asset) | 107 |
Jubilee Awards |  |
Statement |  |
Net benefit liability (asset) | 25 |
Other Long term Plans |  |
Statement |  |
Net benefit liability (asset) | € 14 |

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- Definition The estimate of the expected contributions to be made to a defined benefit plan for the next annual reporting period. [Refer: Defined benefit plans [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2019-01-01 -Paragraph 147 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2019-en-r&anchor=para_147_b&doctype=Standard -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2019-01-01 -Paragraph 148 -Subparagraph d -Clause iii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2019-en-r&anchor=para_148_d_iii&doctype=Standard -URIDate 2019-03-27 + Details
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