v3.25.3
Assets held for sale - Schedule of assets and liabilities classified as held for sale, NGR & Grain LNG (Details)
£ in Millions, $ in Millions
6 Months Ended
May 29, 2025
GBP (£)
May 29, 2025
USD ($)
Sep. 30, 2025
GBP (£)
Sep. 30, 2024
GBP (£)
Mar. 31, 2025
GBP (£)
Disclosure Of Detailed Information About Assets Held For Sale [Line Items]          
Goodwill     £ 9,343   £ 9,532
Other intangible assets     3,669   3,564
Property, plant and equipment     76,345   74,091
Cash and cash equivalents     887   1,178
Financial investments     4,399   6,429
Total assets on disposal     103,760   106,742
Borrowings     (45,914)   (47,539)
Total liabilities     (66,542)   (68,916)
Net assets     37,218   £ 37,826
Reclassification of foreign currency translation reserve     (76) £ 0  
Assets and liabilities classified as held for sale | National Grid Renewables          
Disclosure Of Detailed Information About Assets Held For Sale [Line Items]          
Goodwill £ 51        
Property, plant and equipment 438        
Investment in joint venture 906        
Trade and other receivables 141        
Cash and cash equivalents 58        
Financial investments 41        
Other assets 66        
Total assets on disposal 1,701        
Borrowings (2)        
Other liabilities (159)        
Total liabilities (161)        
Net assets 1,540        
Proceeds 1,531        
Total consideration 1,531 $ 2,061      
Disposal-related costs (11)        
Loss on disposal before tax and reclassification of foreign currency translation reserve (20)        
Reclassification of foreign currency translation reserve (76)        
Tax 5        
Post-tax loss on disposal (91)        
Reclassification adjustments on retranslation of operations, before tax 84        
Reclassification adjustments on hedging instruments, before tax £ 8        
Assets and liabilities classified as held for sale | Grain LNG          
Disclosure Of Detailed Information About Assets Held For Sale [Line Items]          
Other intangible assets     26    
Property, plant and equipment     949    
Trade and other receivables     30    
Cash and cash equivalents     122    
Other assets     19    
Total assets on disposal     1,146    
Borrowings     (133)    
Other liabilities     (195)    
Total liabilities     (328)    
Net assets     £ 818