XML 23 R10.htm IDEA: XBRL DOCUMENT v3.24.0.1
Consolidated Cash Flow Statement (Parenthetical) - GBP (£)
£ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Consolidated Cash Flow Statement      
Interest element of lease payments £ 10 £ 6 £ 7