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Related Party Transactions (Details) (Principal Owner, USD $)
In Millions, unless otherwise specified
Mar. 29, 2015
Dec. 28, 2014
Oct. 01, 2014
Equity Funds      
Related Party Transaction [Line Items]      
Investment in loan fund limited partnership, fair value $ 31us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_EquityFundsMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_PrincipalOwnerMember		 $ 31us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
/ us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis
= us-gaap_EquityFundsMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_PrincipalOwnerMember		  
HWW | Oaktree Group | Minimum      
Related Party Transaction [Line Items]      
Investment Ownership Percentage     10.00%trco_InvestmentOwnershipPercentage
/ us-gaap_CounterpartyNameAxis
= trco_OaktreeGroupMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_PrincipalOwnerMember
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= trco_HWWMember
HWW | Oaktree Group | Maximum      
Related Party Transaction [Line Items]      
Investment Ownership Percentage     15.00%trco_InvestmentOwnershipPercentage
/ us-gaap_CounterpartyNameAxis
= trco_OaktreeGroupMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_PrincipalOwnerMember
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= trco_HWWMember