v3.26.1
REVENUE AND SEGMENT INFORMATION - Analysis of revenue and adjusted operating profit by geographical segment (Details)
£ in Millions
 6 Months Ended
Jan. 08, 2026
Jun. 30, 2026
GBP (£)
Jun. 30, 2025
GBP (£)
Disclosure of operating segments [line items]      
Number of geographical operating units 6 6  
Number of reportable segments   4  
Revenue   £ 5,602 £ 5,480
Group operating profit   1,172 1,203
Reconciling items between Group operating profit and Group adjusted operating profit   192 40
Adjusted operating profit   1,364 1,243
Restructuring costs   169 26
North America      
Disclosure of operating segments [line items]      
Revenue   1,830 1,851
Adjusted operating profit   425 389
Europe      
Disclosure of operating segments [line items]      
Revenue   1,631 1,556
Adjusted operating profit   522 441
APAC      
Disclosure of operating segments [line items]      
Revenue   1,182 1,149
Adjusted operating profit   292 274
International      
Disclosure of operating segments [line items]      
Revenue   959 924
Adjusted operating profit   193 172
Corporate and other unallocated      
Disclosure of operating segments [line items]      
Adjusted operating profit   (68) (33)
Net amortisation and impairment of intangible assets excluding computer software and impairment (reversal of impairment) of goodwill   28 26
Restructuring costs   £ 169 £ 26