v3.26.1
Provisions - Schedule of current and non-current provisions (Details) - GBP (£)
£ in Millions
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Other provisions [abstract]      
Current £ 425 £ 357  
Non-current 2,336 2,692  
Other provisions £ 2,761 £ 3,049 £ 3,109