Number of Stores Operated by Franchisees

No definition available.

Name:	tru_NumberOfStoresOperatedByFranchisees
Namespace Prefix:	tru_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage of Operated Stores

+ References

No definition available.

+ Details

Name:	tru_PercentageOfOperatedStores
Namespace Prefix:	tru_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Term of the lessee's leasing arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_LesseeLeasingArrangementsOperatingLeasesTermOfContract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Revenue earned during the period relating to consideration received from another party for the right to use, but not own, certain of the entity's intangible assets. Licensing arrangements include, but are not limited to, rights to use a patent, copyright, technology, manufacturing process, software or trademark. Licensing fees are generally, but not always, fixed as to amount and not dependent upon the revenue generated by the licensing party. An entity may receive licensing fees for licenses that also generate royalty payments to the entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1(e))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

+ Details

Name:	us-gaap_LicensesRevenue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The number of countries in which the entity operates as of balance sheet date.

+ References

No definition available.

+ Details

Name:	us-gaap_NumberOfCountriesInWhichEntityOperates
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

No definition available.

+ Details

Name:	us-gaap_NumberOfReportableSegments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of states the entity operates in as of the balance sheet date.

+ References

No definition available.

+ Details

Name:	us-gaap_NumberOfStatesInWhichEntityOperates
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the number of stores.

+ References

No definition available.

+ Details

Name:	us-gaap_NumberOfStores
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

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

- Details

Name:	us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementGeographicalAxis=tru_ToysRUsInternationalMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RealEstatePropertiesAxis=us-gaap_WhollyOwnedPropertiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	tru_StoreFormatAxis=tru_TraditionalToyStoresMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	tru_StoreFormatAxis=tru_BabyStoresMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	tru_StoreFormatAxis=tru_SidebySideStoresMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	tru_StoreFormatAxis=tru_LongTermExpressStoresMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementGeographicalAxis=tru_ToysRUsDomesticMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	tru_StoreFormatAxis=tru_OutletMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

SEGMENTS - Narrative (Details) $ in Millions	12 Months Ended
SEGMENTS - Narrative (Details) $ in Millions	Jan. 28, 2017 USD ($) countries stores states	Jan. 30, 2016 USD ($)	Jan. 31, 2015 USD ($)	Jan. 31, 1994 countries stores
Segment Reporting Information [Line Items]
Number of Stores	1,691
Licenses Revenue \| $	$ 18	$ 17	$ 17
Number of Reportable Segments	2
Number of Countries in which Entity Operates \| countries	38			17
Minimum [Member]
Segment Reporting Information [Line Items]
Number of Stores				1,000
Lessee Leasing Arrangements, Operating Leases, Term of Contract	1 year
International
Segment Reporting Information [Line Items]
Percentage of Operated Stores	76.00%
Number of Stores	1,069
Number of Licensed Stores	257
Number of Countries in which Entity Operates \| countries	37
International \| Wholly Owned Properties [Member]
Segment Reporting Information [Line Items]
Number of Stores	812
International \| Traditional Toy Stores [Member] \| Wholly Owned Properties [Member]
Segment Reporting Information [Line Items]
Number of Stores	574
International \| Baby Stores [Member] \| Wholly Owned Properties [Member]
Segment Reporting Information [Line Items]
Number of Stores	14
International \| Side by Side Stores [Member] \| Wholly Owned Properties [Member]
Segment Reporting Information [Line Items]
Number of Stores	208
International \| Express Stores [Member] \| Wholly Owned Properties [Member]
Segment Reporting Information [Line Items]
Number of Stores	16
International \| Maximum [Member]
Segment Reporting Information [Line Items]
Lessee Leasing Arrangements, Operating Leases, Term of Contract	2 years
Domestic
Segment Reporting Information [Line Items]
Number of Stores	879
Number of States in which Entity Operates \| states	49
Domestic \| Traditional Toy Stores [Member]
Segment Reporting Information [Line Items]
Number of Stores	358
Domestic \| Baby Stores [Member]
Segment Reporting Information [Line Items]
Number of Stores	223
Domestic \| Side by Side Stores [Member]
Segment Reporting Information [Line Items]
Number of Stores	212
Domestic \| Express Stores [Member]
Segment Reporting Information [Line Items]
Number of Stores	48
Domestic \| Outlet [Member]
Segment Reporting Information [Line Items]
Number of Stores	38
Domestic \| Minimum [Member] \| Express Stores [Member]
Segment Reporting Information [Line Items]
Lessee Leasing Arrangements, Operating Leases, Term of Contract	2 years