XML 124 R100.htm IDEA: XBRL DOCUMENT v3.23.2
Financial instruments - Fair value and risk management - Summary of derivative financial instruments (Details) - EUR (€)
€ in Millions
Mar. 31, 2023
Mar. 31, 2022
Mar. 31, 2021
Disclosure of detailed information about hedging instruments [line items]      
Derivative financial assets € 346.7 € 1,585.5 € 217.3
Derivative financial liabilities (397.8) (38.6) (85.6)
Designated as continuing cash flow hedges      
Disclosure of detailed information about hedging instruments [line items]      
Derivative financial liabilities (397.8) (7.5) (37.5)
Where hedge accounting is no longer applied      
Disclosure of detailed information about hedging instruments [line items]      
Derivative financial liabilities     (22.4)
Designated as fair value financial instruments      
Disclosure of detailed information about hedging instruments [line items]      
Derivative financial liabilities   (31.1) (25.7)
Designated as continuing cash flow hedges      
Disclosure of detailed information about hedging instruments [line items]      
Derivative financial assets 346.7 1,393.7 170.4
Where hedge accounting is no longer applied      
Disclosure of detailed information about hedging instruments [line items]      
Derivative financial assets   41.2 46.9
Designated as fair value financial instruments      
Disclosure of detailed information about hedging instruments [line items]      
Derivative financial assets   150.6  
Less than one year      
Disclosure of detailed information about hedging instruments [line items]      
Derivative financial assets 292.1 1,400.4 106.0
Derivative financial liabilities (386.6) (38.6) (79.2)
Less than one year | Designated as continuing cash flow hedges      
Disclosure of detailed information about hedging instruments [line items]      
Derivative financial liabilities (386.6) (7.5) (36.9)
Less than one year | Where hedge accounting is no longer applied      
Disclosure of detailed information about hedging instruments [line items]      
Derivative financial liabilities     (22.4)
Less than one year | Designated as fair value financial instruments      
Disclosure of detailed information about hedging instruments [line items]      
Derivative financial liabilities   (31.1) (19.9)
Less than one year | Designated as continuing cash flow hedges      
Disclosure of detailed information about hedging instruments [line items]      
Derivative financial assets 292.1 1,208.6 72.3
Less than one year | Where hedge accounting is no longer applied      
Disclosure of detailed information about hedging instruments [line items]      
Derivative financial assets   41.2 33.7
Less than one year | Designated as fair value financial instruments      
Disclosure of detailed information about hedging instruments [line items]      
Derivative financial assets   150.6  
More than one year      
Disclosure of detailed information about hedging instruments [line items]      
Derivative financial assets 54.6 185.1 111.3
Derivative financial liabilities (11.2)   (6.4)
More than one year | Designated as continuing cash flow hedges      
Disclosure of detailed information about hedging instruments [line items]      
Derivative financial liabilities (11.2)   (0.6)
More than one year | Designated as fair value financial instruments      
Disclosure of detailed information about hedging instruments [line items]      
Derivative financial liabilities     (5.8)
More than one year | Designated as continuing cash flow hedges      
Disclosure of detailed information about hedging instruments [line items]      
Derivative financial assets 54.6 185.1 98.1
More than one year | Where hedge accounting is no longer applied      
Disclosure of detailed information about hedging instruments [line items]      
Derivative financial assets     13.0
Foreign currency risk | Cash Flow Hedges      
Disclosure of detailed information about hedging instruments [line items]      
Derivative financial assets 279.4 474.1 214.3
Derivative financial liabilities (48.0) (31.0) (65.8)
Net derivative financial assets (liabilities) 231.4 443.1 148.5
Foreign currency risk | Cash Flow Hedges | Less than one year      
Disclosure of detailed information about hedging instruments [line items]      
Derivative financial assets 226.2 313.7 104.9
Derivative financial liabilities (44.9) (31.0) (59.4)
Net derivative financial assets (liabilities) 181.3 282.7 45.5
Foreign currency risk | Cash Flow Hedges | More than one year      
Disclosure of detailed information about hedging instruments [line items]      
Derivative financial assets 53.2 160.4 109.4
Derivative financial liabilities (3.1)   (6.4)
Net derivative financial assets (liabilities) 50.1 160.4 103.0
Foreign currency risk | Cash Flow Hedges | Aircraft purchases contract      
Disclosure of detailed information about hedging instruments [line items]      
Notional amount 2,305.5 4,180.3 3,568.4
Foreign currency risk | Cash Flow Hedges | Aircraft purchases contract | Less than one year      
Disclosure of detailed information about hedging instruments [line items]      
Notional amount 1,893.6 2,082.4 1,632.7
Foreign currency risk | Cash Flow Hedges | Aircraft purchases contract | More than one year      
Disclosure of detailed information about hedging instruments [line items]      
Notional amount 411.9 2,097.9 1,935.7
Foreign currency risk | Cash Flow Hedges | Fuel and oil operating expenses      
Disclosure of detailed information about hedging instruments [line items]      
Notional amount 4,771.0 2,151.8 1,202.2
Foreign currency risk | Cash Flow Hedges | Fuel and oil operating expenses | Less than one year      
Disclosure of detailed information about hedging instruments [line items]      
Notional amount 3,979.4 2,151.8 1,202.2
Foreign currency risk | Cash Flow Hedges | Fuel and oil operating expenses | More than one year      
Disclosure of detailed information about hedging instruments [line items]      
Notional amount 791.6    
Foreign currency risk | Cash Flow Hedges | GBP Currency Swaps      
Disclosure of detailed information about hedging instruments [line items]      
Notional amount     695.3
Foreign currency risk | Cash Flow Hedges | GBP Currency Swaps | Less than one year      
Disclosure of detailed information about hedging instruments [line items]      
Notional amount     695.3
Interest rate risk | Cash Flow Hedges      
Disclosure of detailed information about hedging instruments [line items]      
Derivative financial assets 3.6 4.4 3.0
Interest rate risk | Cash Flow Hedges | Less than one year      
Disclosure of detailed information about hedging instruments [line items]      
Derivative financial assets 2.2 1.9 1.0
Interest rate risk | Cash Flow Hedges | More than one year      
Disclosure of detailed information about hedging instruments [line items]      
Derivative financial assets 1.4 2.5 2.0
Interest rate risk | Cash Flow Hedges | Variable-rate instruments      
Disclosure of detailed information about hedging instruments [line items]      
Notional amount 32.0 43.5 51.6
Interest rate risk | Cash Flow Hedges | Variable-rate instruments | Less than one year      
Disclosure of detailed information about hedging instruments [line items]      
Notional amount 16.4 12.1 13.4
Interest rate risk | Cash Flow Hedges | Variable-rate instruments | More than one year      
Disclosure of detailed information about hedging instruments [line items]      
Notional amount 15.6 31.4 38.2
Commodity price risk | Cash Flow Hedges      
Disclosure of detailed information about hedging instruments [line items]      
Derivative financial assets 63.7 956.3  
Derivative financial liabilities (349.8) (7.5) (19.8)
Net derivative financial assets (liabilities) (286.1) 948.8 (19.8)
Commodity price risk | Cash Flow Hedges | Less than one year      
Disclosure of detailed information about hedging instruments [line items]      
Derivative financial assets 63.7 934.1  
Derivative financial liabilities (341.7) (7.5) (19.8)
Net derivative financial assets (liabilities) (278.0) 926.6 (19.8)
Commodity price risk | Cash Flow Hedges | More than one year      
Disclosure of detailed information about hedging instruments [line items]      
Derivative financial assets   22.2  
Derivative financial liabilities (8.1)    
Net derivative financial assets (liabilities) (8.1) 22.2  
Commodity price risk | Cash Flow Hedges | Fuel and carbon operating expenses      
Disclosure of detailed information about hedging instruments [line items]      
Notional amount 3,815.0 2,055.6 577.6
Commodity price risk | Cash Flow Hedges | Fuel and carbon operating expenses | Less than one year      
Disclosure of detailed information about hedging instruments [line items]      
Notional amount 3,504.5 1,901.0 € 577.6
Commodity price risk | Cash Flow Hedges | Fuel and carbon operating expenses | More than one year      
Disclosure of detailed information about hedging instruments [line items]      
Notional amount € 310.5 € 154.6