v3.26.1
Segmental analysis - Schedule of geographical analysis of non-current assets (Details) - GBP (£)
£ in Millions
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Disclosure of other provisions [line items]      
Non-current assets other than financial instruments and pension assets £ 96,824 £ 88,754 £ 84,335
Pensions and other post-retirement benefit assets 2,507 2,489 2,407
Financial and other investments 842 798 880
Derivative financial assets 623 369 324
Total non-current assets 100,796 92,410 87,946
UK      
Disclosure of other provisions [line items]      
Non-current assets other than financial instruments and pension assets 47,551 42,623 40,065
US      
Disclosure of other provisions [line items]      
Non-current assets other than financial instruments and pension assets £ 49,273 £ 46,131 £ 44,270