Investments In Affiliates Accounted For Using The Equity Method (Details 1) (USD $) Share data in Millions, except Per Share data, unless otherwise specified
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12 Months Ended |
1 Months Ended |
3 Months Ended |
12 Months Ended |
1 Months Ended |
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Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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Jan. 18, 2013
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Mar. 31, 2013
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Dec. 31, 2015
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May 31, 2013
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May 01, 2013
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Schedule of Equity Method Investments [Line Items] |
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Income Tax Expense (Benefit) |
$ 66,000,000us-gaap_IncomeTaxExpenseBenefit
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$ (135,000,000)us-gaap_IncomeTaxExpenseBenefit
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$ 469,000,000us-gaap_IncomeTaxExpenseBenefit
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Proceeds from Equity Method Investment, Dividends or Distributions |
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165,000,000us-gaap_EquityMethodInvestmentDividendsOrDistributions
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Live Nation |
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Schedule of Equity Method Investments [Line Items] |
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Purchase of shares in equity method investee |
1.7lmca_PurchaseOfSharesInEquityMethodInvestee / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lmca_LiveNationMember
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1.7lmca_PurchaseOfSharesInEquityMethodInvestee / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lmca_LiveNationMember
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11.0lmca_PurchaseOfSharesInEquityMethodInvestee / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lmca_LiveNationMember
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Payments to Acquire Equity Method Investments |
39,000,000us-gaap_PaymentsToAcquireEquityMethodInvestments / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lmca_LiveNationMember
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19,000,000us-gaap_PaymentsToAcquireEquityMethodInvestments / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lmca_LiveNationMember
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107,000,000us-gaap_PaymentsToAcquireEquityMethodInvestments / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lmca_LiveNationMember
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Equity Method Investment, Quoted Market Value |
1,403,000,000us-gaap_EquityMethodInvestmentQuotedMarketValue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lmca_LiveNationMember
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Equity Method Investment, Ownership Percentage |
27.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lmca_LiveNationMember
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shares underlying borrowed share position, unwound |
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8.1lmca_SharesUnderlyingBorrowedSharePositionUnwound / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lmca_LiveNationMember
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SIRIUS XM |
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Schedule of Equity Method Investments [Line Items] |
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Purchase of shares in equity method investee |
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50.0lmca_PurchaseOfSharesInEquityMethodInvestee / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lmca_SiriusXmMember
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50.0lmca_PurchaseOfSharesInEquityMethodInvestee / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lmca_SiriusXmMember
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shares underlying borrowed share position, unwound |
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720.0lmca_SharesUnderlyingBorrowedSharePositionUnwound / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lmca_SiriusXmMember
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SIRIUS XM | Sirius XM Canada |
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Schedule of Equity Method Investments [Line Items] |
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Contract Term |
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10 years
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Sirius XM Canada |
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Schedule of Equity Method Investments [Line Items] |
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Equity Method Investment, Quoted Market Value |
247,000,000us-gaap_EquityMethodInvestmentQuotedMarketValue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lmca_SiriusXmCanadaMember
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Equity Method Investment, Ownership Percentage |
37.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lmca_SiriusXmCanadaMember
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Charter Communications |
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Schedule of Equity Method Investments [Line Items] |
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Equity Method Investment, Aggregate Cost |
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2,600,000,000us-gaap_EquityMethodInvestmentAggregateCost / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lmca_CharterCommunicationsMember
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excess amortization in share of earnings (loss) |
60,000,000lmca_ExcessAmortizationInShareOfEarningsLoss / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lmca_CharterCommunicationsMember
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51,000,000lmca_ExcessAmortizationInShareOfEarningsLoss / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lmca_CharterCommunicationsMember
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Purchase of shares in equity method investee |
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26.9lmca_PurchaseOfSharesInEquityMethodInvestee / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lmca_CharterCommunicationsMember
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Warrants acquired |
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1.1lmca_WarrantsAcquired / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lmca_CharterCommunicationsMember
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Equity Method Investment, Ownership Percentage |
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27.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lmca_CharterCommunicationsMember
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Price-per-share |
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$ 95.50us-gaap_SaleOfStockPricePerShare / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lmca_CharterCommunicationsMember
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Equity method investment, cash paid for acquisition |
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1,200,000,000lmca_EquityMethodInvestmentCashPaidForAcquisition / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lmca_CharterCommunicationsMember
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shares underlying borrowed share position, unwound |
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20.3lmca_SharesUnderlyingBorrowedSharePositionUnwound / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lmca_CharterCommunicationsMember
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Difference between carrying amount and underlying equity |
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2,500,000,000us-gaap_EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lmca_CharterCommunicationsMember
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Loss recognized on equity method investments |
72,000,000lmca_EquityMethodInvestmentLossOnInvestmentDueToWarrantAndStockOptionExercisesBelowBookBasis / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lmca_CharterCommunicationsMember
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93,000,000lmca_EquityMethodInvestmentLossOnInvestmentDueToWarrantAndStockOptionExercisesBelowBookBasis / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lmca_CharterCommunicationsMember
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SIRIUS XM | Sirius XM Canada |
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Schedule of Equity Method Investments [Line Items] |
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SIRIUS XM total assets |
7,000,000us-gaap_EquityMethodInvestmentSummarizedFinancialInformationAssets / dei_LegalEntityAxis = lmca_SiriusXmMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = lmca_SiriusXmCanadaMember
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10,000,000us-gaap_EquityMethodInvestmentSummarizedFinancialInformationAssets / dei_LegalEntityAxis = lmca_SiriusXmMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = lmca_SiriusXmCanadaMember
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SIRIUS XM total liabilities |
18,000,000us-gaap_EquityMethodInvestmentSummarizedFinancialInformationLiabilities / dei_LegalEntityAxis = lmca_SiriusXmMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = lmca_SiriusXmCanadaMember
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21,000,000us-gaap_EquityMethodInvestmentSummarizedFinancialInformationLiabilities / dei_LegalEntityAxis = lmca_SiriusXmMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = lmca_SiriusXmCanadaMember
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Revenue from Related Parties |
50,000,000us-gaap_RevenueFromRelatedParties / dei_LegalEntityAxis = lmca_SiriusXmMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = lmca_SiriusXmCanadaMember
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49,000,000us-gaap_RevenueFromRelatedParties / dei_LegalEntityAxis = lmca_SiriusXmMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = lmca_SiriusXmCanadaMember
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SIRIUS XM | SIRIUS XM |
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Schedule of Equity Method Investments [Line Items] |
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Income Tax Expense (Benefit) |
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3,000,000,000us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = lmca_SiriusXmMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lmca_SiriusXmMember
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Broadcast rights |
70,000,000lmca_BroadcastRights / dei_LegalEntityAxis = lmca_SiriusXmMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lmca_SiriusXmMember
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SIRIUS XM | Sirius XM Canada |
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Schedule of Equity Method Investments [Line Items] |
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Proceeds from Equity Method Investment, Dividends or Distributions |
43,000,000us-gaap_EquityMethodInvestmentDividendsOrDistributions / dei_LegalEntityAxis = lmca_SiriusXmMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lmca_SiriusXmCanadaMember
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17,000,000us-gaap_EquityMethodInvestmentDividendsOrDistributions / dei_LegalEntityAxis = lmca_SiriusXmMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lmca_SiriusXmCanadaMember
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Deferred revenue | SIRIUS XM |
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Schedule of Equity Method Investments [Line Items] |
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Investments, at fair value |
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21,000,000us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisObligations / us-gaap_BalanceSheetLocationAxis = lmca_DeferredRevenueMember / dei_LegalEntityAxis = lmca_SiriusXmMember
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