XML 408 R134.htm IDEA: XBRL DOCUMENT v3.24.1
Capital commitments (Detail) - GBP (£)
£ in Millions
Dec. 31, 2023
Dec. 31, 2022
Capital commitments    
Property, plant and equipment £ 22 £ 37
Intangible assets 3 3
Total £ 25 £ 40