v3.25.4
Segment Information - Summary Of Other Disclosures (Detail) - GBP (£)
£ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Summary Of Other Segment Disclosures. [Line Items]      
Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss £ 42 £ 41 £ 48
All other segments [member]      
Summary Of Other Segment Disclosures. [Line Items]      
Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss 571 526 543
Assessments And Qualifications [Member] | All other segments [member]      
Summary Of Other Segment Disclosures. [Line Items]      
Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss 186 196 196
Virtual Learning [Member] | All other segments [member]      
Summary Of Other Segment Disclosures. [Line Items]      
Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss 53 64 76
English Language Learning [Member] | All other segments [member]      
Summary Of Other Segment Disclosures. [Line Items]      
Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss 51 56 58
Enterprise Learning & Skills [member] | All other segments [member]      
Summary Of Other Segment Disclosures. [Line Items]      
Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [1] 32 30 28
Higher Education [Member] | All other segments [member]      
Summary Of Other Segment Disclosures. [Line Items]      
Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [1] 249 180 182
Strategic Review [Member] | All other segments [member]      
Summary Of Other Segment Disclosures. [Line Items]      
Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss £ 0 £ 0 £ 3
[1] Comparative amounts have been restated to reflect the move between operating segments.