XML 208 R97.htm IDEA: XBRL DOCUMENT
v3.21.1

Income tax receivables and payables - Additional information (Details) - EUR (€) € in Millions | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Income tax receivables and payables |  |
Pending litigation with tax authorities | € 254 | € 362

X
- Definition Disclosure Of Tax Receivables And Payables + References No definition available. + Details
Name: | e_DisclosureOfTaxReceivablesAndPayablesAbstract
Namespace Prefix: | e_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The non-current amount of tax liabilities relating to pending litigation with tax authorities. + References No definition available. + Details
Name: | e_PendingLitigationWithTaxAuthoritiesTaxLiabilitiesNonCurrent
Namespace Prefix: | e_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant