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Provisions for employee benefits (Details) - EUR (€) € in Millions | Dec. 31, 2023 | Dec. 31, 2022
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Disclosure Of Benefit Plans [Line Items] |  |
Provisions for employee benefits | € 748 | € 786
Other benefit plans |  |
Disclosure Of Benefit Plans [Line Items] |  |
Provisions for employee benefits | 353 | 341
Defined benefit plan |  |
Disclosure Of Benefit Plans [Line Items] |  |
Provisions for employee benefits | 395 | 445
Italian defined benefit plans |  |
Disclosure Of Benefit Plans [Line Items] |  |
Provisions for employee benefits | 156 | 177
Foreign defined benefit plan |  |
Disclosure Of Benefit Plans [Line Items] |  |
Provisions for employee benefits | 121 | 142
FISDE and other foreign medical plans |  |
Disclosure Of Benefit Plans [Line Items] |  |
Provisions for employee benefits | € 118 | € 126

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- Definition The amount of non-current provisions for employee benefits. [Refer: Provisions for employee benefits] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 78 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_78_d&doctype=Standard -URIDate 2023-03-23 + Details
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