Employee Benefits - Summary of Sensitivity of the Retirement and Post-Employment Benefits to a Variation of the Discount Rate (Details) € in Thousands	Dec. 31, 2020 EUR (€)
Disclosure Of Information About Defined Benefit Plans [Abstract]
Changes in assumptions/discount rate	0.25%
Impact/present value of the undertaking	€ (42)
Changes in assumptions/discount rate	(0.25%)
Impact/present value of the undertaking	€ 45

No definition available.

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- Definition

The increase (decrease) in a defined benefit obligation that would have been caused by a decrease in a significant actuarial assumption that was reasonably possible at the end of the reporting period. [Refer: Actuarial assumptions [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 19
-IssueDate 2020-01-01
-Paragraph 145
-Subparagraph a
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-URIDate 2020-01-01

+ Details

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- Definition

The increase (decrease) in a defined benefit obligation that would have been caused by an increase in a significant actuarial assumption that was reasonably possible at the end of the reporting period. [Refer: Actuarial assumptions [member]]

+ References

+ Details

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- Definition

The reasonably possible percentage of the decrease in the actuarial assumption used to determine the present value of defined benefit obligation. [Refer: Actuarial assumptions [member]]

+ References

+ Details

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- Definition

The reasonably possible percentage of the increase in the actuarial assumption used to determine the present value of defined benefit obligation. [Refer: Actuarial assumptions [member]]

+ References

+ Details

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