RETIREMENT BENEFIT OBLIGATIONS - Schedule of Retirement Benefits Recognised in Balance Sheet (Details) - GBP (£) £ in Millions	Dec. 31, 2021	Dec. 31, 2020
RETIREMENT BENEFIT OBLIGATIONS (Details) - Schedule of Retirement Benefits Recognised in Balance Sheet [Line Items]
Retirement benefit assets	£ 4,531	£ 1,714
Retirement benefit obligations	(230)	(245)
Amounts recognised in the balance sheet
RETIREMENT BENEFIT OBLIGATIONS (Details) - Schedule of Retirement Benefits Recognised in Balance Sheet [Line Items]
Retirement benefit assets	4,531	1,714
Retirement benefit obligations	(230)	(245)
Total amounts recognised in the balance sheet	£ 4,301	£ 1,469

The amount of deficit or surplus in a defined benefit plan, adjusted for any effect of limiting a net defined benefit asset to the asset ceiling. [Refer: Defined benefit plans [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 19
-IssueDate 2021-01-01
-Paragraph 140
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2021-en-r&anchor=para_140_a&doctype=Standard
-URIDate 2021-03-24

+ Details

Name:	ifrs-full_LiabilityAssetOfDefinedBenefitPlans
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of surplus in a defined benefit plan, adjusted for any effect of limiting a net defined benefit asset to the asset ceiling. [Refer: Defined benefit plans [member]]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2021-01-01
-Paragraph 55
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_55&doctype=Standard
-URIDate 2021-03-24

+ Details

Name:	ifrs-full_RecognisedAssetsDefinedBenefitPlan
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of deficit in a defined benefit plan. [Refer: Defined benefit plans [member]]

+ References

+ Details

Name:	ifrs-full_RecognisedLiabilitiesDefinedBenefitPlan
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- References

No definition available.

+ Details

Name:	lyg_RETIREMENTBENEFITOBLIGATIONSDetailsScheduleofRetirementBenefitsRecognisedinBalanceSheetLineItems
Namespace Prefix:	lyg_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	ifrs-full_DefinedBenefitPlansAxis=lyg_AmountRecognizedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: