Structured entities - Unconsolidated Structured Entities, Total Assets (Details) - GBP (£) £ in Billions	Dec. 31, 2025	Dec. 31, 2024
Collective investment vehicles and limited partnerships
STRUCTURED ENTITIES (Details) - Narrative [Line Items]
Total assets of structured entities	£ 2,627	£ 2,434
Securitisation vehicles
STRUCTURED ENTITIES (Details) - Narrative [Line Items]
Total assets of structured entities	£ 4	£ 5

Total Asset Value Of Unconsolidated Structured Entities

No definition available.

Name:	lyg_TotalAssetValueOfUnconsolidatedStructuredEntities
Namespace Prefix:	lyg_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant