v3.26.1
Segmental analysis - Revenue by segment (Details) - GBP (£)
£ in Millions
6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Disclosure Of Operating Segments [Line Items]    
Revenue [1] £ 12,235 £ 12,069
Reported    
Disclosure Of Operating Segments [Line Items]    
Revenue 12,235 12,069
Exchange    
Disclosure Of Operating Segments [Line Items]    
Revenue 184  
Reported at CC    
Disclosure Of Operating Segments [Line Items]    
Revenue 12,419  
U.S. | Reported    
Disclosure Of Operating Segments [Line Items]    
Revenue 5,687 5,432
U.S. | Exchange    
Disclosure Of Operating Segments [Line Items]    
Revenue 206  
U.S. | Reported at CC    
Disclosure Of Operating Segments [Line Items]    
Revenue 5,893  
AME | Reported    
Disclosure Of Operating Segments [Line Items]    
Revenue 4,402 4,281
AME | Exchange    
Disclosure Of Operating Segments [Line Items]    
Revenue (83)  
AME | Reported at CC    
Disclosure Of Operating Segments [Line Items]    
Revenue 4,319  
APMEA | Reported    
Disclosure Of Operating Segments [Line Items]    
Revenue 2,146 £ 2,356
APMEA | Exchange    
Disclosure Of Operating Segments [Line Items]    
Revenue 61  
APMEA | Reported at CC    
Disclosure Of Operating Segments [Line Items]    
Revenue £ 2,207  
[1] Revenue is net of duty, excise and other taxes of £15,320 million and £15,515 million for the six months ended 30 June 2026 and 30 June 2025, respectively.