v3.26.1
Share-based payments - Share awards and Other information (Details) - Share awards plan
£ / shares in Units, € in Millions, EQUITYINSTRUMENTS in Millions
12 Months Ended
Mar. 31, 2026
GBP (£)
EQUITYINSTRUMENTS
£ / shares
Mar. 31, 2026
EUR (€)
EQUITYINSTRUMENTS
Mar. 31, 2025
GBP (£)
EQUITYINSTRUMENTS
£ / shares
Mar. 31, 2025
EUR (€)
EQUITYINSTRUMENTS
Mar. 31, 2024
GBP (£)
EQUITYINSTRUMENTS
£ / shares
Mar. 31, 2024
EUR (€)
EQUITYINSTRUMENTS
Disclosure of terms and conditions of share-based payment arrangement            
Balance at the beginning of the period (in shares) | EQUITYINSTRUMENTS 369 369 317 317 261 261
Granted (in shares) | EQUITYINSTRUMENTS 153 153 187 187 177 177
Vested (in shares) | EQUITYINSTRUMENTS (71) (71) (85) (85) (76) (76)
Forfeited (in shares) | EQUITYINSTRUMENTS (74) (74) (50) (50) (45) (45)
Balance at the end of the period (in shares) | EQUITYINSTRUMENTS 377 377 369 369 317 317
Weighted average fair value at the beginning of the period £ 0.77   £ 0.92   £ 1.14  
Granted (per share) 0.8   0.7   0.72  
Vested (per share) 0.97   1.09   1.17  
Forfeited (per share) 0.81   0.9   0.99  
Weighted average fair value at the end of the period 0.74   0.77   0.92  
Total fair value of shares vested during period £ 69,000,000   £ 93,000,000   £ 89,000,000  
Compensation cost | €   € 103   € 112   € 125
Average share price | £ / shares £ 89.5   £ 71.3   £ 74.7