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Provisions - Sensitivity Analysis Used in Individual Suspension Plan (Details) - Individual Suspension Plan - Discount rate € in Millions	Dec. 31, 2023 EUR (€)
Disclosure of sensitivity analysis for actuarial assumptions [line items]
Impact on value	€ (171)
Impact on income statement	(171)
Impact on value	161
Impact on income statement	€ 161

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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

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 2023-01-01
-Paragraph 145
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-URIDate 2023-03-23

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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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 19
-IssueDate 2023-01-01
-Paragraph 145
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-URIDate 2023-03-23

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- Definition

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- Definition

Increase In Income Due To Reasonably Possible Decrease In Actuarial Assumption

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