Accrued expenses and other liabilities - Contract liabilities (Details) - EUR (€) € in Millions	12 Months Ended
Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2022
Contract Liabilities
Opening contract liabilities	€ 2,786.5	€ 1,554.2	€ 290.9
Revenue deferred during the year	12,840.8	11,343.0	5,648.4
Revenue recognized during the year	(12,728.3)	(10,110.7)	(4,385.1)
Closing contract liabilities	€ 2,899.0	€ 2,786.5	€ 1,554.2

The amount of an entity’s obligation to transfer goods or services to a customer for which the entity has received consideration (or the amount is due) from the customer.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 15
-IssueDate 2023-01-01
-Paragraph 105
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-URIDate 2023-03-23

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 15
-IssueDate 2023-01-01
-Paragraph 116
-Subparagraph a
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-URIDate 2023-03-23

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- References

No definition available.

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- Definition

The decrease in contract liabilities resulting from the performance obligation being satisfied. [Refer: Contract liabilities; Performance obligations [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IFRS
-Number 15
-IssueDate 2023-01-01
-Paragraph 118
-Subparagraph e
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2023-en-r&anchor=para_118_e&doctype=Standard
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- Definition

Increase in contract liabilities through deferral of revenue during the year

+ References

No definition available.

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