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Provisions for employee benefits - Maturity analysis (Details) - EUR (€) € in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Statement |  |
Net benefit liability (asset) | € 819 | € 1,201
Other benefit plans |  |
Statement |  |
Net benefit liability (asset) | € 301 | € 268
Other benefit plans | Average |  |
Statement |  |
Weighted average duration of benefit obligation | 3 years 1 month 6 days | 2 years 9 months 18 days
Other benefit plans | within 1 year |  |
Statement |  |
Net benefit liability (asset) | € 83 | € 71
Other benefit plans | Later than one year and not later than two years |  |
Statement |  |
Net benefit liability (asset) | 80 | 66
Other benefit plans | Later than two years and not later than three years |  |
Statement |  |
Net benefit liability (asset) | 69 | 63
Other benefit plans | Later than three years and not later than four years |  |
Statement |  |
Net benefit liability (asset) | 25 | 16
Other benefit plans | Later than four years and not later than five years |  |
Statement |  |
Net benefit liability (asset) | 11 | 12
Other benefit plans | beyond 5 years |  |
Statement |  |
Net benefit liability (asset) | 33 | 40
Italian defined benefit plans |  |
Statement |  |
Net defined benefit liability (asset) | € 227 | € 258
Italian defined benefit plans | Average |  |
Statement |  |
Weighted average duration of defined benefit obligation | 9 years 9 months 18 days | 8 years 2 months 12 days
Italian defined benefit plans | within 1 year |  |
Statement |  |
Net defined benefit liability (asset) | € 16 | € 12
Italian defined benefit plans | Later than one year and not later than two years |  |
Statement |  |
Net defined benefit liability (asset) | 16 | 13
Italian defined benefit plans | Later than two years and not later than three years |  |
Statement |  |
Net defined benefit liability (asset) | 18 | 17
Italian defined benefit plans | Later than three years and not later than four years |  |
Statement |  |
Net defined benefit liability (asset) | 20 | 20
Italian defined benefit plans | Later than four years and not later than five years |  |
Statement |  |
Net defined benefit liability (asset) | 20 | 21
Italian defined benefit plans | beyond 5 years |  |
Statement |  |
Net defined benefit liability (asset) | 137 | 175
Foreign defined benefit plan |  |
Statement |  |
Net defined benefit liability (asset) | € 129 | € 493
Foreign defined benefit plan | Average |  |
Statement |  |
Weighted average duration of defined benefit obligation | 17 years 7 months 6 days | 19 years 1 month 6 days
Foreign defined benefit plan | within 1 year |  |
Statement |  |
Net defined benefit liability (asset) | € 23 | € 44
Foreign defined benefit plan | Later than one year and not later than two years |  |
Statement |  |
Net defined benefit liability (asset) | 24 | 42
Foreign defined benefit plan | Later than two years and not later than three years |  |
Statement |  |
Net defined benefit liability (asset) | 29 | 50
Foreign defined benefit plan | Later than three years and not later than four years |  |
Statement |  |
Net defined benefit liability (asset) | 24 | 63
Foreign defined benefit plan | Later than four years and not later than five years |  |
Statement |  |
Net defined benefit liability (asset) | 25 | 67
Foreign defined benefit plan | beyond 5 years |  |
Statement |  |
Net defined benefit liability (asset) | 4 | 227
FISDE and other foreign medical plans |  |
Statement |  |
Net defined benefit liability (asset) | € 162 | € 182
FISDE and other foreign medical plans | Average |  |
Statement |  |
Weighted average duration of defined benefit obligation | 13 years 7 months 6 days | 13 years 8 months 12 days
FISDE and other foreign medical plans | within 1 year |  |
Statement |  |
Net defined benefit liability (asset) | € 9 | € 8
FISDE and other foreign medical plans | Later than one year and not later than two years |  |
Statement |  |
Net defined benefit liability (asset) | 7 | 7
FISDE and other foreign medical plans | Later than two years and not later than three years |  |
Statement |  |
Net defined benefit liability (asset) | 7 | 7
FISDE and other foreign medical plans | Later than three years and not later than four years |  |
Statement |  |
Net defined benefit liability (asset) | 7 | 7
FISDE and other foreign medical plans | Later than four years and not later than five years |  |
Statement |  |
Net defined benefit liability (asset) | 7 | 7
FISDE and other foreign medical plans | beyond 5 years |  |
Statement |  |
Net defined benefit liability (asset) | € 125 | € 146

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- Definition The amount of deficit or surplus in a defined benefit plan, adjusted for any effect of limiting a net defined benefit asset to the asset ceiling. [Refer: Defined benefit plans [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2021-01-01 -Paragraph 140 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_140_a&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The weighted average duration of a defined benefit obligation. [Refer: Weighted average [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2021-01-01 -Paragraph 147 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_147_c&doctype=Standard -URIDate 2021-03-24 + Details
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