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Stock-Based Compensation (Narrative) (Details) (USD $)
In Millions, except Share data in Thousands, unless otherwise specified
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3 Months Ended |
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Mar. 31, 2015
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Mar. 31, 2014
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| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
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| Stock-based compensation |
$ 15us-gaap_ShareBasedCompensation
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$ 25us-gaap_ShareBasedCompensation
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| Total unrecognized compensation cost related to unvested Liberty equity awards |
107us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
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| Weighted average period of recognition related to unvested equity awards (in years) |
2 years 4 months 24 days
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| Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate |
0.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
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| Liberty Interactive common stock |
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| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
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| Stock-based compensation |
12us-gaap_ShareBasedCompensation
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
|
24us-gaap_ShareBasedCompensation
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
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| Liberty Ventures common stock |
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| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
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| Stock-based compensation |
$ 3us-gaap_ShareBasedCompensation
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember
|
$ 1us-gaap_ShareBasedCompensation
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember
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| Common Class A | Liberty Interactive common stock |
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| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
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| Options granted |
2,963us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember
|
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| Common Class A | Liberty Interactive common stock | QVC |
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| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
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| Options granted |
1,900us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
/ us-gaap_StatementBusinessSegmentsAxis
= linta_QvcMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember
|
|
| Weighted average grant-date fair value of options |
$ 11.92us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
/ us-gaap_StatementBusinessSegmentsAxis
= linta_QvcMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember
|
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| Award vesting period |
4 years
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| Common Class A | Liberty Interactive common stock | Corporate Segment [Member] |
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| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
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| Options granted |
1,100us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_CorporateMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember
|
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| Weighted average grant-date fair value of options |
$ 12.20us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_CorporateMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember
|
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| Award vesting period |
3 years
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| Award Vesting Period Percentage |
50.00%us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_CorporateMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember
|
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| Common Class A | Liberty Ventures common stock |
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| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
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| Options granted |
308us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember
|
|
| Common Class A | Liberty Ventures common stock | Corporate Segment [Member] |
|
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| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
|
| Options granted |
308us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_CorporateMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember
|
|
| Weighted average grant-date fair value of options |
$ 17.65us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_CorporateMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember
|
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| Award vesting period |
3 years
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| Award Vesting Period Percentage |
50.00%us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_CorporateMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember
|
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| Common Class B | Liberty Interactive common stock |
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| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
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| Options granted |
132us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassBMember
|
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| Common Class B | Liberty Interactive common stock | Chief Executive Officer |
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| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
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| Options granted |
132us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_ChiefExecutiveOfficerMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassBMember
|
|
| Weighted average grant-date fair value of options |
$ 10.10us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_ChiefExecutiveOfficerMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassBMember
|
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| Award vesting period |
1 year
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| Common Class B | Liberty Interactive common stock | Restricted Stock Units (RSUs) | Chief Executive Officer |
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| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
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| Options granted |
182us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
/ us-gaap_OptionIndexedToIssuersEquityTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_ChiefExecutiveOfficerMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassBMember
|
|
| Weighted average grant-date fair value of options |
$ 29.41us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ linta_EconomicPerformanceGroupAxis
= linta_InteractiveGroupMember
/ us-gaap_OptionIndexedToIssuersEquityTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_ChiefExecutiveOfficerMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassBMember
|
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| Award vesting period |
1 year
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|
| Common Class B | Liberty Ventures common stock |
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
|
| Options granted |
135us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassBMember
|
|
| Common Class B | Liberty Ventures common stock | Chief Executive Officer |
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
|
| Options granted |
135us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_ChiefExecutiveOfficerMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassBMember
|
|
| Weighted average grant-date fair value of options |
$ 17.16us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_ChiefExecutiveOfficerMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassBMember
|
|
| Award vesting period |
1 year
|
|
| Common Class B | Liberty Ventures common stock | Restricted Stock Units (RSUs) | Chief Executive Officer |
|
|
| Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
|
|
| Options granted |
13us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember
/ us-gaap_OptionIndexedToIssuersEquityTypeAxis
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/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_ChiefExecutiveOfficerMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassBMember
|
|
| Weighted average grant-date fair value of options |
$ 42.33us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember
/ us-gaap_OptionIndexedToIssuersEquityTypeAxis
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/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_ChiefExecutiveOfficerMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassBMember
|
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| Award vesting period |
1 year
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