v3.25.2
Adjusting items - Narrative (Details)
£ in Millions
 6 Months Ended 12 Months Ended 30 Months Ended
Jun. 30, 2025
GBP (£)
Jun. 30, 2024
GBP (£)
Dec. 31, 2024
GBP (£)
Dec. 31, 2027
GBP (£)
Disclosure of attribution of expenses by nature to their function [line items]        
Adjusting items included in profit from operations £ (5,069) £ (4,258)    
(a) Restructuring and integration costs 13 0    
Impairment loss recognised in profit or loss, goodwill 72 0    
Other adjusting items which have been adjusted within other operating expenses 8 5    
Gains (losses) on litigation settlements 30 133    
(c) Credit in respect of settlement of historical litigation in relation to the Fox River 0 (132)    
(c) Charges in respect of DOJ and OFAC investigations 0 4 £ 4  
Adj items        
Disclosure of attribution of expenses by nature to their function [line items]        
Adjusting items included in profit from operations (325) (1,306)    
Peru        
Disclosure of attribution of expenses by nature to their function [line items]        
Impairment loss recognised in profit or loss, goodwill £ 72      
Forecast period 1 year      
Extrapolated forecast period 5 years      
Terminal value decline rate 4.00%      
Discount rate used in current estimate of value in use 16.30%      
Romania        
Disclosure of attribution of expenses by nature to their function [line items]        
(c) Romania other taxes £ (22) 0    
Canada        
Disclosure of attribution of expenses by nature to their function [line items]        
Other adjusting items which have been adjusted within other operating expenses 575      
Other current provisions 2,573   2,456  
Other non-current provisions £ 2,897   £ 3,747  
Payment period 40 years      
Canada | Increase in pre tax discount rate        
Disclosure of attribution of expenses by nature to their function [line items]        
Significant unobservable input, liabilities 0.0362   0.0327  
Canada | Miscellaneous provisions        
Disclosure of attribution of expenses by nature to their function [line items]        
Volume decrease assumption 3.00%      
Pricing delivery assumption 120.00%      
Canada | Miscellaneous provisions | Volume decline        
Disclosure of attribution of expenses by nature to their function [line items]        
Increase (decrease) in fair value measurement due to reasonably possible increase in unobservable input, liabilities £ 338      
Canada | Miscellaneous provisions | Pricing delivery        
Disclosure of attribution of expenses by nature to their function [line items]        
Increase (decrease) in fair value measurement due to reasonably possible increase in unobservable input, liabilities 83      
Camel Snus        
Disclosure of attribution of expenses by nature to their function [line items]        
Impairment loss recognised in profit or loss, goodwill   472    
Trademarks and similar intangibles        
Disclosure of attribution of expenses by nature to their function [line items]        
(b) Amortisation and impairment of trademarks and similar intangibles £ 804 £ 1,295    
Trademarks and similar intangibles | Top of range        
Disclosure of attribution of expenses by nature to their function [line items]        
Intangibles assets expected useful lives 30 years      
Forecast        
Disclosure of attribution of expenses by nature to their function [line items]        
(a) Restructuring and integration costs       £ 500
Forecast | Adj items        
Disclosure of attribution of expenses by nature to their function [line items]        
(a) Restructuring and integration costs       £ 350