XML 255 R159.htm IDEA: XBRL DOCUMENT v3.25.1
Financial risk management objectives and policies - Analysis of Financial Instruments Measured at Fair Value (Details) - GBP (£)
£ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Contingent consideration liabilities    
Beginning balance £ (19,385)  
Ending balance (18,672) £ (19,385)
At Fair Value | Contingent consideration liabilities | Level 3    
Contingent consideration liabilities    
Beginning balance (199) (160)
Gains/(losses) recognised in the income statement 1 51
Gains recognised in other comprehensive income   0
Exchange adjustments (1) (2)
Additions (33) (150)
Disposals   0
Settlements 97 58
Ending balance (133) (199)
At Fair Value | Other investments | Other investments | Level 3    
Other investments    
Beginning balance 325 359
Gains/(losses) recognised in the income statement (29) (27)
Gains recognised in other comprehensive income   1
Exchange adjustments (2) 0
Additions 24 3
Disposals   (11)
Settlements 0 0
Ending balance £ 322 £ 325