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No definition available.

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The fair value of financial assets. [Refer: At fair value [member]; Financial assets]

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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The nominal or face amount of a financial instrument, used to calculate payments made on that instrument.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Financial instruments - Fair values and risk management - Fair value (Details) - EUR (€) € in Millions	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Financial assets and liabilities for which fair value is disclosed, at fair value
Disclosure of detailed information about financial instruments [line items]
Notional amount	€ 6,625.5	€ 5,839.2	€ 5,398.0
At fair value
Disclosure of detailed information about financial instruments [line items]
Assets measured at fair value	1,585.5	217.3	671.7
Liabilities measured at fair value	38.6	85.6	1,230.5
Not at fair value
Disclosure of detailed information about financial instruments [line items]
Liabilities measured at fair value	5,001.4	5,536.3
Level 2 \| Financial assets and liabilities for which fair value is disclosed, at fair value
Disclosure of detailed information about financial instruments [line items]
Notional amount	6,625.5	5,839.2	5,398.0
Level 2 \| At fair value
Disclosure of detailed information about financial instruments [line items]
Assets measured at fair value	1,585.5	217.3	671.7
Liabilities measured at fair value	38.6	85.6	1,230.5
Level 2 \| Not at fair value
Disclosure of detailed information about financial instruments [line items]
Liabilities measured at fair value	5,001.4	5,536.3
Foriegn currency forward contracts \| At fair value
Disclosure of detailed information about financial instruments [line items]
Liabilities measured at fair value	31.0	65.8	2.2
Foriegn currency forward contracts \| Level 2 \| At fair value
Disclosure of detailed information about financial instruments [line items]
Liabilities measured at fair value	31.0	65.8	2.2
Jet fuel and carbon \| At fair value
Disclosure of detailed information about financial instruments [line items]
Liabilities measured at fair value	7.6	19.8	1,228.3
Jet fuel and carbon \| Level 2 \| At fair value
Disclosure of detailed information about financial instruments [line items]
Liabilities measured at fair value	7.6	19.8	1,228.3
Debt \| Not at fair value
Disclosure of detailed information about financial instruments [line items]
Liabilities measured at fair value	4,952.2	5,356.4	3,495.8
Debt \| Level 2 \| Not at fair value
Disclosure of detailed information about financial instruments [line items]
Liabilities measured at fair value	4,952.2	5,356.4	3,495.8
Trade payables \| Not at fair value
Disclosure of detailed information about financial instruments [line items]
Liabilities measured at fair value	49.2
Trade payables \| Level 2 \| Not at fair value
Disclosure of detailed information about financial instruments [line items]
Liabilities measured at fair value	49.2
Trade payables (Non-current) \| Not at fair value
Disclosure of detailed information about financial instruments [line items]
Liabilities measured at fair value		179.9
Trade payables (Non-current) \| Level 2 \| Not at fair value
Disclosure of detailed information about financial instruments [line items]
Liabilities measured at fair value		179.9
Foriegn currency forward contracts \| Cash Flow Hedges
Disclosure of detailed information about financial instruments [line items]
Notional amount	6,705.5	3,069.3	7,746.6
Foriegn currency forward contracts \| At fair value
Disclosure of detailed information about financial instruments [line items]
Assets measured at fair value	474.1	208.9	663.7
Foriegn currency forward contracts \| Level 2 \| At fair value
Disclosure of detailed information about financial instruments [line items]
Assets measured at fair value	474.1	208.9	663.7
Jet fuel and carbon \| At fair value
Disclosure of detailed information about financial instruments [line items]
Assets measured at fair value	1,106.8	5.4
Jet fuel and carbon \| Level 2 \| At fair value
Disclosure of detailed information about financial instruments [line items]
Assets measured at fair value	1,106.8	5.4
Currency swap contract \| At fair value
Disclosure of detailed information about financial instruments [line items]
Assets measured at fair value	4.6	3.0	8.0
Currency swap contract \| Level 2 \| At fair value
Disclosure of detailed information about financial instruments [line items]
Assets measured at fair value	€ 4.6	€ 3.0	€ 8.0