v3.25.1
Post employment benefits - Fair value of assets and present value of liabilities of schemes (Details) - Pension Plans - EUR (€)
€ in Millions
12 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Post employment benefits    
Balance at beginning of the period € 76 € 71
Service cost (51) (42)
Interest income/(cost) 4 8
Return on plan assets excluding interest income (467) (102)
Actuarial gains arising from changes in demographic assumptions 6 72
Actuarial gains arising from changes in financial assumptions 465 30
Actuarial losses arising from experience adjustments (16) (77)
Employer cash contributions 41 41
Exchange rate movements 5 31
Liabilities held for sale   51
Other movements (8) (7)
Balance at end of the period 55 76
Assets.    
Post employment benefits    
Balance at beginning of the period 5,148 5,047
Interest income/(cost) 229 223
Return on plan assets excluding interest income (467) (102)
Employer cash contributions 41 41
Member cash contributions 19 15
Benefits paid (192) (173)
Exchange rate movements 84 104
Other movements (8) (7)
Balance at end of the period 4,854 5,148
Liabilities.    
Post employment benefits    
Balance at beginning of the period (5,072) (4,976)
Service cost (51) (42)
Interest income/(cost) (225) (215)
Actuarial gains arising from changes in demographic assumptions 6 72
Actuarial gains arising from changes in financial assumptions 465 30
Actuarial losses arising from experience adjustments (16) (77)
Member cash contributions (19) (15)
Benefits paid 192 173
Exchange rate movements (79) (73)
Liabilities held for sale   51
Balance at end of the period € (4,799) € (5,072)