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LITIGATION AND LEGAL PROCEEDINGS - Narrative (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Feb. 01, 2014
Feb. 02, 2013
Jan. 31, 2015
Aleo [Member]      
Loss Contingencies [Line Items]      
Loss Contingency, Damages Awarded, Value   $ 20us-gaap_LossContingencyDamagesAwardedValue
/ us-gaap_LitigationCaseAxis
= tru_AleoMember
 
Loss Contingency, Punitive Damages Awarded, Value   18tru_LossContingencyPunitiveDamagesAwardedValue
/ us-gaap_LitigationCaseAxis
= tru_AleoMember
 
Litigation Settlement, Expense 20us-gaap_LitigationSettlementExpense
/ us-gaap_LitigationCaseAxis
= tru_AleoMember
   
Payments for Legal Settlements 25us-gaap_PaymentsForLegalSettlements
/ us-gaap_LitigationCaseAxis
= tru_AleoMember
   
Visa and MasterCard      
Loss Contingencies [Line Items]      
Proceeds from Legal Settlements     $ 12us-gaap_ProceedsFromLegalSettlements
/ us-gaap_LitigationCaseAxis
= us-gaap_CreditCardIntermediaryReceivablesMember