FINANCE LEASE RECEIVABLES (Details) - Narrative - GBP (£) £ in Millions	Dec. 31, 2020	Dec. 31, 2019
Disclosure of maturity analysis of finance lease payments receivable [abstract]
Capital Leases, net investment in direct financing leases, allowance for uncollectible minimum lease payments	£ 22	£ 12

Capital Leases, Net Investment in Direct Financing Leases, Allowance for Uncollectible Minimum Lease Payments

No definition available.

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