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U.S. and Europe Retrospective Responsibility Plans - Additional Details (Details) € in Millions | 6 Months Ended
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Mar. 31, 2023 EUR (€)
Retrospective Responsibility Plans [Abstract] |
VE covered loss, maximum amount of loss to allow adjustment of conversion rate during six-month period | € 20

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- Definition Retrospective Responsibility Plans [Abstract] + References No definition available. + Details
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- Definition VE Covered Loss, Protection from the Plan Relating to Liabilities where the Claim Relates to Inter-regional Multilateral Interchange Fee Rates + References No definition available. + Details
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