Capital and financial risk management - Capital management (Details) - EUR (€) € in Millions	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2022
Capital and financial risk management
Borrowings	€ 53,143	€ 56,987
Cash and cash equivalents	(11,001)	(6,183)	€ (11,705)
Derivative financial instruments included in trade and other receivables	(4,197)	(4,226)
Derivative financial instruments included in trade and other payables	1,906	1,524
Non-current investments in sovereign securities	(913)	0
Short-term investments	(5,280)	(3,225)
Collateral assets	(1,010)	(741)
Financial liabilities under put option arrangements	97	0
Equity	53,916	60,998	€ 64,483	€ 57,638
Capital	€ 86,661	€ 105,134

The amount of outstanding funds that the entity is obligated to repay.

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The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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The amount of financial assets classified as derivative instruments. [Refer: Financial assets; Derivatives [member]]

+ References

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The amount of financial liabilities classified as derivative instruments. [Refer: Financial assets; Derivatives [member]]

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No definition available.

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- Definition

The amount of residual interest in the assets of the entity after deducting all its liabilities.

+ References

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The amount of financial assets that the entity has pledged as collateral for liabilities or contingent liabilities, including amounts that have been reclassified in accordance with paragraph 3.2.23(a) of IFRS 9. [Refer: Classes of contingent liabilities [domain]; Financial assets]

+ References

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- Definition

Bonds, debt securities and managed investment funds

+ References

No definition available.

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- Definition

Financial liabilities under put option arrangements

+ References

No definition available.

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- Definition

The amount of capital.

+ References

No definition available.

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- Definition

Non-current investments in sovereign securities.

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No definition available.

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