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Annual report pursuant to Section 13 and 15(d)

Investments In Available-For-Sale Securities And Other Cost Investments (Investments In Available-For-Sale Securities And Other Cost Investments) (Details)

v2.4.1.9
Investments In Available-For-Sale Securities And Other Cost Investments (Investments In Available-For-Sale Securities And Other Cost Investments) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Schedule of Investments in available-for-sale securities and other cost investments Ìý Ìý Ìý
Investments in available-for-sale securities and other cost investments $ 1,224us-gaap_AvailableForSaleSecuritiesNoncurrent $ 1,313us-gaap_AvailableForSaleSecuritiesNoncurrent Ìý
Cash proceeds from dispositions of investments 163us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities 1,137us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities 692us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities
QVC 3.125% Senior Secured Notes Due 2019 Ìý Ìý Ìý
Schedule of Investments in available-for-sale securities and other cost investments Ìý Ìý Ìý
Interest rate (as a percent) 3.125%us-gaap_DebtInstrumentInterestRateStatedPercentage
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Ìý Ìý
Liberty Interactive common stock Ìý Ìý Ìý
Schedule of Investments in available-for-sale securities and other cost investments Ìý Ìý Ìý
Investments in available-for-sale securities and other cost investments 4us-gaap_AvailableForSaleSecuritiesNoncurrent
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4us-gaap_AvailableForSaleSecuritiesNoncurrent
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Cash proceeds from dispositions of investments Ìý 1us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities
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Ìý
Liberty Ventures common stock Ìý Ìý Ìý
Schedule of Investments in available-for-sale securities and other cost investments Ìý Ìý Ìý
Investments in available-for-sale securities and other cost investments 1,220us-gaap_AvailableForSaleSecuritiesNoncurrent
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember
1,309us-gaap_AvailableForSaleSecuritiesNoncurrent
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= linta_VenturesGroupMember
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Cash proceeds from dispositions of investments 163us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember
1,136us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember
692us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember
Fair Value Option, Other Eligible Items | Liberty Interactive common stock Ìý Ìý Ìý
Schedule of Investments in available-for-sale securities and other cost investments Ìý Ìý Ìý
Investments in available-for-sale securities and other cost investments 4us-gaap_AvailableForSaleSecuritiesNoncurrent
/ linta_EconomicPerformanceGroupAxis
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/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
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4us-gaap_AvailableForSaleSecuritiesNoncurrent
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/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_FairValueOptionOtherEligibleItemsMember
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Other Investments | Liberty Ventures common stock Ìý Ìý Ìý
Schedule of Investments in available-for-sale securities and other cost investments Ìý Ìý Ìý
Investments in available-for-sale securities and other cost investments 30us-gaap_AvailableForSaleSecuritiesNoncurrent
/ linta_EconomicPerformanceGroupAxis
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/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_OtherInvestmentsMember
262us-gaap_AvailableForSaleSecuritiesNoncurrent
/ linta_EconomicPerformanceGroupAxis
= linta_VenturesGroupMember
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_OtherInvestmentsMember
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Time Warner Inc | Liberty Ventures common stock Ìý Ìý Ìý
Schedule of Investments in available-for-sale securities and other cost investments Ìý Ìý Ìý
Investments in available-for-sale securities and other cost investments 375us-gaap_AvailableForSaleSecuritiesNoncurrent
/ linta_EconomicPerformanceGroupAxis
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306us-gaap_AvailableForSaleSecuritiesNoncurrent
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= linta_TimeWarnerIncMember
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Time Warner Cable Inc | Liberty Ventures common stock Ìý Ìý Ìý
Schedule of Investments in available-for-sale securities and other cost investments Ìý Ìý Ìý
Investments in available-for-sale securities and other cost investments $ 815us-gaap_AvailableForSaleSecuritiesNoncurrent
/ linta_EconomicPerformanceGroupAxis
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/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
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$ 741us-gaap_AvailableForSaleSecuritiesNoncurrent
/ linta_EconomicPerformanceGroupAxis
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/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= linta_TimeWarnerCableIncMember
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