º¬Ð߲ݴ«Ã½

Annual report pursuant to Section 13 and 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
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Outstanding principal $ 7,966us-gaap_DebtInstrumentCarryingAmount Ìý Ìý
Long-term Debt 8,051us-gaap_LongTermDebt 7,015us-gaap_LongTermDebt Ìý
Current portion of debt (946)us-gaap_DebtCurrent (909)us-gaap_DebtCurrent Ìý
Long-term debt 7,105us-gaap_LongTermDebtNoncurrent 6,106us-gaap_LongTermDebtNoncurrent Ìý
8.5% Senior Debentures Due 2029 Ìý Ìý Ìý
Debt instrument interest rate 8.50%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= linta_A85SeniorDebenturesDue2029Member 		Ìý Ìý
8.25% Senior Debentures Due 2030 Ìý Ìý Ìý
Debt instrument interest rate 8.25%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= linta_A825SeniorDebenturesDue2030Member 		Ìý Ìý
1% Exchangeable Senior Debentures due 2043 Ìý Ìý Ìý
Debt instrument interest rate 1.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= linta_A1ExchangeableSeniorDebenturesdue2043Member 		Ìý Ìý
4% Exchangeable Senior Debentures Due 2029 Ìý Ìý Ìý
Debt instrument interest rate 4.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= linta_A4ExchangeableSeniorDebenturesDue2029Member 		Ìý Ìý
3.75% Exchangeable Senior Debentures Due 2030 Ìý Ìý Ìý
Debt instrument interest rate 3.75%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= linta_A375ExchangeableSeniorDebenturesDue2030Member 		Ìý Ìý
3.5% Exchangeable Senior Debentures Due 2031 Ìý Ìý Ìý
Debt instrument interest rate 3.50%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= linta_A35ExchangeableSeniorDebenturesDue2031Member 		Ìý Ìý
0.75% Exchangeable Senior Debentures due 2043 Ìý Ìý Ìý
Debt instrument interest rate 0.75%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= linta_A075ExchangeableSeniorDebenturesDue2043Member 		Ìý Ìý
QVC 7.5% Senior Secured Notes Due 2019 Ìý Ìý Ìý
Debt instrument interest rate 7.50%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= linta_Qvc75SeniorSecuredNotesDue2019Member 		Ìý 7.50%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= linta_Qvc75SeniorSecuredNotesDue2019Member
QVC 3.125% Senior Secured Notes Due 2019 Ìý Ìý Ìý
Debt instrument interest rate 3.125%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= linta_QVC3.125SeniorSecuredNotesDue2019Member 		Ìý Ìý
QVC 7.375% Senior Secured Notes Due 2020 Ìý Ìý Ìý
Debt instrument interest rate 7.375%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= linta_Qvc7375SeniorSecuredNotesDue2020Member 		Ìý Ìý
QVC 5.125% Senior Secured Notes 2022 Ìý Ìý Ìý
Debt instrument interest rate 5.125%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= linta_Qvc5125SeniorSecuredNotes2022Member 		Ìý Ìý
QVC 4.375% Senior Secured Notes due 2023 Ìý Ìý Ìý
Debt instrument interest rate 4.375%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= linta_Qvc4375SeniorSecuredNotesDue2023Member 		Ìý Ìý
QVC 4.850% Senior Secured Notes due 2024 Ìý Ìý Ìý
Debt instrument interest rate 4.85%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= linta_QVC4.850SeniorSecuredNotesdue2024Member 		Ìý Ìý
QVC 4.45% Senior Secured Notes due 2025 [Member] Ìý Ìý Ìý
Debt instrument interest rate 4.45%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= linta_Qvc4.45SeniorSecuredNotesDue2025Member 		Ìý Ìý
QVC 5.45% Senior Secured Notes due 2034 [Member] Ìý Ìý Ìý
Debt instrument interest rate 5.45%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= linta_Qvc5.45SeniorSecuredNotesDue2034Member 		Ìý Ìý
QVC 5.95% Senior Secured Notes due 2043 Ìý Ìý Ìý
Debt instrument interest rate 5.95%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= linta_Qvc595SeniorSecuredNotesDue2043Member 		Ìý Ìý
Liberty Interactive common stock Ìý Ìý Ìý
Outstanding principal 5,824us-gaap_DebtInstrumentCarryingAmount
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		Ìý Ìý
Long-term Debt 5,860us-gaap_LongTermDebt
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		5,083us-gaap_LongTermDebt
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		Ìý
Current portion of debt (9)us-gaap_DebtCurrent
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		(39)us-gaap_DebtCurrent
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		Ìý
Long-term debt 5,851us-gaap_LongTermDebtNoncurrent
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		5,044us-gaap_LongTermDebtNoncurrent
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		Ìý
Liberty Interactive common stock | 8.5% Senior Debentures Due 2029 Ìý Ìý Ìý
Outstanding principal 287us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= linta_A85SeniorDebenturesDue2029Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		Ìý Ìý
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 		Ìý
Liberty Interactive common stock | 8.25% Senior Debentures Due 2030 Ìý Ìý Ìý
Outstanding principal 504us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= linta_A825SeniorDebenturesDue2030Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		Ìý Ìý
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 		Ìý
Liberty Interactive common stock | 1% Exchangeable Senior Debentures due 2043 Ìý Ìý Ìý
Outstanding principal 400us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= linta_A1ExchangeableSeniorDebenturesdue2043Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		Ìý Ìý
Long-term Debt 444us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_A1ExchangeableSeniorDebenturesdue2043Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		423us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_A1ExchangeableSeniorDebenturesdue2043Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		Ìý
Liberty Interactive common stock | QVC 7.5% Senior Secured Notes Due 2019 Ìý Ìý Ìý
Long-term Debt Ìý 761us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_Qvc75SeniorSecuredNotesDue2019Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		Ìý
Liberty Interactive common stock | QVC 3.125% Senior Secured Notes Due 2019 Ìý Ìý Ìý
Outstanding principal 400us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= linta_QVC3.125SeniorSecuredNotesDue2019Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		Ìý Ìý
Long-term Debt 399us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_QVC3.125SeniorSecuredNotesDue2019Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		Ìý Ìý
Liberty Interactive common stock | QVC 7.375% Senior Secured Notes Due 2020 Ìý Ìý Ìý
Outstanding principal 500us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= linta_Qvc7375SeniorSecuredNotesDue2020Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		Ìý Ìý
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 		Ìý
Liberty Interactive common stock | QVC 5.125% Senior Secured Notes 2022 Ìý Ìý Ìý
Outstanding principal 500us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= linta_Qvc5125SeniorSecuredNotes2022Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		Ìý Ìý
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 		Ìý
Liberty Interactive common stock | QVC 4.375% Senior Secured Notes due 2023 Ìý Ìý Ìý
Outstanding principal 750us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= linta_Qvc4375SeniorSecuredNotesDue2023Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		Ìý Ìý
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 		Ìý
Liberty Interactive common stock | QVC 4.850% Senior Secured Notes due 2024 Ìý Ìý Ìý
Outstanding principal 600us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= linta_QVC4.850SeniorSecuredNotesdue2024Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		Ìý Ìý
Long-term Debt 600us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_QVC4.850SeniorSecuredNotesdue2024Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		Ìý Ìý
Liberty Interactive common stock | QVC 4.45% Senior Secured Notes due 2025 [Member] Ìý Ìý Ìý
Outstanding principal 600us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= linta_Qvc4.45SeniorSecuredNotesDue2025Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		Ìý Ìý
Long-term Debt 599us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_Qvc4.45SeniorSecuredNotesDue2025Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		Ìý Ìý
Liberty Interactive common stock | QVC 5.45% Senior Secured Notes due 2034 [Member] Ìý Ìý Ìý
Outstanding principal 400us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= linta_Qvc5.45SeniorSecuredNotesDue2034Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		Ìý Ìý
Long-term Debt 399us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_Qvc5.45SeniorSecuredNotesDue2034Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		Ìý Ìý
Liberty Interactive common stock | QVC 5.95% Senior Secured Notes due 2043 Ìý Ìý Ìý
Outstanding principal 300us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= linta_Qvc595SeniorSecuredNotesDue2043Member
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		Ìý Ìý
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 		Ìý
Liberty Interactive common stock | QVC Bank Credit Facilities Ìý Ìý Ìý
Outstanding principal 508us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= linta_QvcBankCreditFacilitiesMember
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		Ìý Ìý
Long-term Debt 508us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_QvcBankCreditFacilitiesMember
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		922us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_QvcBankCreditFacilitiesMember
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		Ìý
Liberty Interactive common stock | Other Debt [Member] Ìý Ìý Ìý
Outstanding principal 75us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= linta_OtherDebtMember
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		Ìý Ìý
Long-term Debt 75us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_OtherDebtMember
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		141us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_OtherDebtMember
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember 		Ìý
Liberty Ventures common stock Ìý Ìý Ìý
Outstanding principal 2,142us-gaap_DebtInstrumentCarryingAmount
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember 		Ìý Ìý
Long-term Debt 2,191us-gaap_LongTermDebt
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember 		1,932us-gaap_LongTermDebt
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember 		Ìý
Current portion of debt (937)us-gaap_DebtCurrent
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember 		(870)us-gaap_DebtCurrent
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember 		Ìý
Long-term debt 1,254us-gaap_LongTermDebtNoncurrent
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember 		1,062us-gaap_LongTermDebtNoncurrent
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember 		Ìý
Liberty Ventures common stock | 4% Exchangeable Senior Debentures Due 2029 Ìý Ìý Ìý
Outstanding principal 438us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= linta_A4ExchangeableSeniorDebenturesDue2029Member
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember 		Ìý Ìý
Long-term Debt 294us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_A4ExchangeableSeniorDebenturesDue2029Member
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember 		284us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_A4ExchangeableSeniorDebenturesDue2029Member
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember 		Ìý
Liberty Ventures common stock | 3.75% Exchangeable Senior Debentures Due 2030 Ìý Ìý Ìý
Outstanding principal 438us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= linta_A375ExchangeableSeniorDebenturesDue2030Member
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember 		Ìý Ìý
Long-term Debt 291us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_A375ExchangeableSeniorDebenturesDue2030Member
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember 		270us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_A375ExchangeableSeniorDebenturesDue2030Member
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember 		Ìý
Liberty Ventures common stock | 3.5% Exchangeable Senior Debentures Due 2031 Ìý Ìý Ìý
Outstanding principal 355us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= linta_A35ExchangeableSeniorDebenturesDue2031Member
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember 		Ìý Ìý
Long-term Debt 325us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_A35ExchangeableSeniorDebenturesDue2031Member
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember 		316us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_A35ExchangeableSeniorDebenturesDue2031Member
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember 		Ìý
Liberty Ventures common stock | 0.75% Exchangeable Senior Debentures due 2043 Ìý Ìý Ìý
Outstanding principal 850us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= linta_A075ExchangeableSeniorDebenturesDue2043Member
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember 		Ìý Ìý
Long-term Debt 1,220us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_A075ExchangeableSeniorDebenturesDue2043Member
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember 		1,062us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_A075ExchangeableSeniorDebenturesDue2043Member
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember 		Ìý
Liberty Ventures common stock | Other Debt [Member] Ìý Ìý Ìý
Outstanding principal 61us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= linta_OtherDebtMember
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember 		Ìý Ìý
Long-term Debt $ 61us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= linta_OtherDebtMember
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember 		Ìý Ìý