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Accounting information and policies - Going Concern Narrative (Details) - Jun. 30, 2023 € in Millions, $ in Billions	EUR (€)	USD ($)
Euro | European debt issuance programme
Schedule Of Going Concern [Line Items]
Notional amounts | €	€ 500
US dollar | US shelf programme
Schedule Of Going Concern [Line Items]
Notional amounts | $		$ 2

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- Definition

Schedule Of Going Concern [Line Items]

+ References

No definition available.

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- Definition

The nominal or face amount of a financial instrument, used to calculate payments made on that instrument.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-IssueDate 2022-03-24
-Paragraph 112
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-URIDate 2022-03-24

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