v3.26.1
Other operating costs - Schedule of payroll costs (Details) - GBP (£)
£ in Millions
 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Analysis of income and expense [abstract]      
Wages and salaries £ 3,515 £ 3,497 £ 3,206
Social security costs 313 279 256
Defined contribution scheme costs 152 144 129
Defined benefit pension costs 73 114 96
Share-based payments 45 37 37
Severance costs (excluding pension costs) 16 10 12
Payroll costs including capitalised costs 4,114 4,081 3,736
Less: payroll costs capitalised (2,122) (1,938) (1,693)
Total payroll costs from continuing operations 1,992 2,143 2,043
US other post retirement benefit costs £ 27 £ 25 £ 26