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Retirement Benefits (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended
	May 01, 2021	May 02, 2020
Retirement Benefits Disclosure [Line Items]
Expense related to the qualified plan	$ 21	$ 21
Other Pension Plans, Postretirement or Supplemental Plans, Defined Benefit [Member]
Retirement Benefits Disclosure [Line Items]
Liability, Other Retirement Benefits	$ 146

X

- Definition

Amount of current liability, recognized in statement of financial position, for non-qualified retirement plan obligations.

+ References

No definition available.

+ Details

Name:	lb_CurrentNonqualifiedRetirementPlanBenefitObligation
Namespace Prefix:	lb_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_DefinedBenefitPlanDisclosureLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of cost for defined contribution plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 70
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942

+ Details

Name:	us-gaap_DefinedContributionPlanCostRecognized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPensionPlansPostretirementOrSupplementalPlansDefinedBenefitMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: