XML 334 R125.htm IDEA: XBRL DOCUMENT v3.24.0.1
Inventories and pre-publication costs - Summary of inventories and pre-publication cost (Detail) - GBP (£)
£ in Millions
Dec. 31, 2023
Dec. 31, 2022
Inventories and pre-publication costs    
Raw materials £ 1 £ 3
Pre-publication costs 278 264
Finished goods 39 42
Total £ 318 £ 309