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OTHER EMPLOYEE RETIREMENT AND COMPENSATION BENEFITS - Narrative (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Jan. 31, 2015
Feb. 01, 2014
Feb. 02, 2013
Defined Benefit Plan Disclosure [Line Items]      
Vesting percentage 100.00%tru_SupplementalExecutiveRetirementPlanVestingPercentage    
Employment period to vest one hundred percent 5 years    
Supplemental executive retirement plan expenses   $ 1tru_SupplementalExecutiveRetirementPlanExpenses  
Supplemental executive retirement plan liability 2tru_SupplementalExecutiveRetirementPlanLiability 3tru_SupplementalExecutiveRetirementPlanLiability  
Period of Service for Eligibility in the Savings Plan 12 months    
Period of Service for Eligibility in the Savings Plan 1000 hours    
Defined Contribution Plan, Employer Matching Contribution, Percent of Employee Contribution 100.00%tru_DefinedContributionPlanEmployerMatchingContributionPercentOfEmployeeContribution    
Matching contribution by employer 4.00%us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent    
Other foreign defined contribution plans and other foreign government sponsored retirement plans expenses 24us-gaap_DefinedContributionPlanCostRecognized 24us-gaap_DefinedContributionPlanCostRecognized 25us-gaap_DefinedContributionPlanCostRecognized
Maximum [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Supplemental executive retirement plan expenses $ 1tru_SupplementalExecutiveRetirementPlanExpenses
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
  $ 1tru_SupplementalExecutiveRetirementPlanExpenses
/ us-gaap_RangeAxis
= us-gaap_MaximumMember