Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt (Debt Excluding Intergroup Debt) (Details)

v2.4.1.9
Long-Term Debt (Debt Excluding Intergroup Debt) (Details) (USD $)
In Millions, unless otherwise specified
Mar. 31, 2015
Dec. 31, 2014
Outstanding principal $ 7,849us-gaap_DebtInstrumentCarryingAmount  
Long-term Debt 7,920us-gaap_LongTermDebt 8,051us-gaap_LongTermDebt
Current portion of debt (939)us-gaap_DebtCurrent (946)us-gaap_DebtCurrent
Long-term debt 6,981us-gaap_LongTermDebtNoncurrent 7,105us-gaap_LongTermDebtNoncurrent
QVC Bank Credit Facilities    
Debt instrument interest rate 1.60%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= linta_QvcBankCreditFacilitiesMember 		 
Liberty Interactive common stock    
Outstanding principal 5,702us-gaap_DebtInstrumentCarryingAmount
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		 
Long-term Debt 5,748us-gaap_LongTermDebt
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		5,860us-gaap_LongTermDebt
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
Current portion of debt (8)us-gaap_DebtCurrent
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		 
Long-term debt 5,740us-gaap_LongTermDebtNoncurrent
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		 
Liberty Interactive common stock | 8.5% Senior Debentures Due 2029    
Outstanding principal 287us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= linta_A85SeniorDebenturesDue2029Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		 
Long-term Debt 285us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_A85SeniorDebenturesDue2029Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		285us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_A85SeniorDebenturesDue2029Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
Debt instrument interest rate 8.50%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= linta_A85SeniorDebenturesDue2029Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		 
Liberty Interactive common stock | 8.25% Senior Debentures Due 2030    
Outstanding principal 504us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= linta_A825SeniorDebenturesDue2030Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		 
Long-term Debt 501us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_A825SeniorDebenturesDue2030Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		501us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_A825SeniorDebenturesDue2030Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
Debt instrument interest rate 8.25%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= linta_A825SeniorDebenturesDue2030Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		 
Liberty Interactive common stock | 1% Exchangeable Senior Debentures due 2043    
Outstanding principal 346us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= linta_A1ExchangeableSeniorDebenturesdue2043Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		 
Long-term Debt 400us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_A1ExchangeableSeniorDebenturesdue2043Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		444us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_A1ExchangeableSeniorDebenturesdue2043Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
Debt instrument interest rate 1.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= linta_A1ExchangeableSeniorDebenturesdue2043Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		 
Liberty Interactive common stock | QVC 3.125% Senior Secured Notes Due 2019    
Outstanding principal 400us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= linta_QVC3.125SeniorSecuredNotesDue2019Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		 
Long-term Debt 399us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_QVC3.125SeniorSecuredNotesDue2019Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		399us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_QVC3.125SeniorSecuredNotesDue2019Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
Debt instrument interest rate 3.125%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= linta_QVC3.125SeniorSecuredNotesDue2019Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		 
Liberty Interactive common stock | QVC 7.375% Senior Secured Notes Due 2020    
Outstanding principal 500us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= linta_Qvc7375SeniorSecuredNotesDue2020Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		 
Long-term Debt 500us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_Qvc7375SeniorSecuredNotesDue2020Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		500us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_Qvc7375SeniorSecuredNotesDue2020Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
Debt instrument interest rate 7.375%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= linta_Qvc7375SeniorSecuredNotesDue2020Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		 
Liberty Interactive common stock | QVC 5.125% Senior Secured Notes 2022    
Outstanding principal 500us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= linta_Qvc5125SeniorSecuredNotes2022Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		 
Long-term Debt 500us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_Qvc5125SeniorSecuredNotes2022Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		500us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_Qvc5125SeniorSecuredNotes2022Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
Debt instrument interest rate 5.125%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= linta_Qvc5125SeniorSecuredNotes2022Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		 
Liberty Interactive common stock | QVC 4.375% Senior Secured Notes due 2023    
Outstanding principal 750us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= linta_Qvc4375SeniorSecuredNotesDue2023Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		 
Long-term Debt 750us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_Qvc4375SeniorSecuredNotesDue2023Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		750us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_Qvc4375SeniorSecuredNotesDue2023Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
Debt instrument interest rate 4.375%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= linta_Qvc4375SeniorSecuredNotesDue2023Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		 
Liberty Interactive common stock | QVC 4.850% Senior Secured Notes due 2024    
Outstanding principal 600us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= linta_QVC4.850SeniorSecuredNotesdue2024Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		 
Long-term Debt 600us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_QVC4.850SeniorSecuredNotesdue2024Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		600us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_QVC4.850SeniorSecuredNotesdue2024Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
Debt instrument interest rate 4.85%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= linta_QVC4.850SeniorSecuredNotesdue2024Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		 
Liberty Interactive common stock | QVC 4.45% Senior Secured Notes due 2025 [Member]    
Outstanding principal 600us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= linta_Qvc4.45SeniorSecuredNotesDue2025Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		 
Long-term Debt 599us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_Qvc4.45SeniorSecuredNotesDue2025Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		599us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_Qvc4.45SeniorSecuredNotesDue2025Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
Debt instrument interest rate 4.45%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= linta_Qvc4.45SeniorSecuredNotesDue2025Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		 
Liberty Interactive common stock | QVC 5.45% Senior Secured Notes due 2034 [Member]    
Outstanding principal 400us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= linta_Qvc5.45SeniorSecuredNotesDue2034Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		 
Long-term Debt 399us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_Qvc5.45SeniorSecuredNotesDue2034Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		399us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_Qvc5.45SeniorSecuredNotesDue2034Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
Debt instrument interest rate 5.45%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= linta_Qvc5.45SeniorSecuredNotesDue2034Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		 
Liberty Interactive common stock | QVC 5.95% Senior Secured Notes due 2043    
Outstanding principal 300us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= linta_Qvc595SeniorSecuredNotesDue2043Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		 
Long-term Debt 300us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_Qvc595SeniorSecuredNotesDue2043Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		300us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_Qvc595SeniorSecuredNotesDue2043Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
Debt instrument interest rate 5.95%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= linta_Qvc595SeniorSecuredNotesDue2043Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		 
Liberty Interactive common stock | QVC Bank Credit Facilities    
Outstanding principal 450us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= linta_QvcBankCreditFacilitiesMember
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		 
Long-term Debt 450us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_QvcBankCreditFacilitiesMember
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		508us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_QvcBankCreditFacilitiesMember
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
Liberty Interactive common stock | Subsidiary Debt    
Outstanding principal 65us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= linta_SubsidiaryDebtMember
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		 
Long-term Debt 65us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_SubsidiaryDebtMember
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		75us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_SubsidiaryDebtMember
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
Liberty Ventures common stock    
Outstanding principal 2,147us-gaap_DebtInstrumentCarryingAmount
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember 		 
Long-term Debt 2,172us-gaap_LongTermDebt
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember 		2,191us-gaap_LongTermDebt
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember
Current portion of debt (931)us-gaap_DebtCurrent
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember 		 
Long-term debt 1,241us-gaap_LongTermDebtNoncurrent
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember 		 
Liberty Ventures common stock | 4% Exchangeable Senior Debentures Due 2029    
Outstanding principal 438us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= linta_A4ExchangeableSeniorDebenturesDue2029Member
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember 		 
Long-term Debt 292us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_A4ExchangeableSeniorDebenturesDue2029Member
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember 		294us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_A4ExchangeableSeniorDebenturesDue2029Member
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember
Debt instrument interest rate 4.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= linta_A4ExchangeableSeniorDebenturesDue2029Member
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember 		 
Liberty Ventures common stock | 3.75% Exchangeable Senior Debentures Due 2030    
Outstanding principal 438us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= linta_A375ExchangeableSeniorDebenturesDue2030Member
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember 		 
Long-term Debt 293us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_A375ExchangeableSeniorDebenturesDue2030Member
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember 		291us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_A375ExchangeableSeniorDebenturesDue2030Member
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember
Debt instrument interest rate 3.75%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= linta_A375ExchangeableSeniorDebenturesDue2030Member
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember 		 
Liberty Ventures common stock | 3.5% Exchangeable Senior Debentures Due 2031    
Outstanding principal 351us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= linta_A35ExchangeableSeniorDebenturesDue2031Member
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember 		 
Long-term Debt 331us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_A35ExchangeableSeniorDebenturesDue2031Member
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember 		325us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_A35ExchangeableSeniorDebenturesDue2031Member
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember
Debt instrument interest rate 3.50%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= linta_A35ExchangeableSeniorDebenturesDue2031Member
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember 		 
Liberty Ventures common stock | 0.75% Exchangeable Senior Debentures due 2043    
Outstanding principal 850us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= linta_A075ExchangeableSeniorDebenturesDue2043Member
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember 		 
Long-term Debt 1,186us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_A075ExchangeableSeniorDebenturesDue2043Member
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember 		1,220us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_A075ExchangeableSeniorDebenturesDue2043Member
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember
Debt instrument interest rate 0.75%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= linta_A075ExchangeableSeniorDebenturesDue2043Member
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember 		 
Liberty Ventures common stock | Subsidiary Debt    
Outstanding principal 70us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= linta_SubsidiaryDebtMember
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember 		 
Long-term Debt $ 70us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_SubsidiaryDebtMember
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember 		$ 61us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_SubsidiaryDebtMember
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember