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Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Details)

v2.4.1.9
Stock-Based Compensation (Details) (USD $)
In Millions, except Share data, unless otherwise specified
3 Months Ended 0 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Jul. 23, 2014
Stock-based compensation $ 44us-gaap_ShareBasedCompensation $ 49us-gaap_ShareBasedCompensation Ìý
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate 0.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate Ìý Ìý
Common Class A Ìý Ìý Ìý
Shares received in exchange Ìý Ìý 2lmca_NumberofsharesissuedduringtheperiodforeachshareofSeriesAandSeriesBstockheldbyshareholderspriortothedistribution
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember
Options granted 0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember
Ìý Ìý
Common Class C Ìý Ìý Ìý
Shares received in exchange Ìý Ìý 2lmca_NumberofsharesissuedduringtheperiodforeachshareofSeriesAandSeriesBstockheldbyshareholderspriortothedistribution
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassCMember
Options granted 1,350,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassCMember
Ìý Ìý
Granted, WAEP $ 39.20us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassCMember
Ìý Ìý
Common Class C | Tranche One Ìý Ìý Ìý
Options granted 355,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassCMember
/ us-gaap_VestingAxis
= us-gaap_ShareBasedCompensationAwardTrancheOneMember
Ìý Ìý
Weighted average grant-date fair value $ 11.21us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassCMember
/ us-gaap_VestingAxis
= us-gaap_ShareBasedCompensationAwardTrancheOneMember
Ìý Ìý
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 3 years Ìý Ìý
Common Class C | Tranche Two Ìý Ìý Ìý
Options granted 575,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassCMember
/ us-gaap_VestingAxis
= us-gaap_ShareBasedCompensationAwardTrancheTwoMember
Ìý Ìý
Weighted average grant-date fair value $ 16.07us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassCMember
/ us-gaap_VestingAxis
= us-gaap_ShareBasedCompensationAwardTrancheTwoMember
Ìý Ìý
Vesting percentage 50.00%us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassCMember
/ us-gaap_VestingAxis
= us-gaap_ShareBasedCompensationAwardTrancheTwoMember
Ìý Ìý
CEO | Common Class C | Tranche Three Ìý Ìý Ìý
Options granted 420,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassCMember
/ us-gaap_TitleOfIndividualAxis
= us-gaap_ChiefExecutiveOfficerMember
/ us-gaap_VestingAxis
= us-gaap_ShareBasedCompensationAwardTrancheThreeMember
Ìý Ìý
Restricted stock granted 34,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassCMember
/ us-gaap_TitleOfIndividualAxis
= us-gaap_ChiefExecutiveOfficerMember
/ us-gaap_VestingAxis
= us-gaap_ShareBasedCompensationAwardTrancheThreeMember
Ìý Ìý
Weighted average grant-date fair value $ 12.15us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassCMember
/ us-gaap_TitleOfIndividualAxis
= us-gaap_ChiefExecutiveOfficerMember
/ us-gaap_VestingAxis
= us-gaap_ShareBasedCompensationAwardTrancheThreeMember
Ìý Ìý
Restricted stock weighted average grant-date fair value $ 38.20us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassCMember
/ us-gaap_TitleOfIndividualAxis
= us-gaap_ChiefExecutiveOfficerMember
/ us-gaap_VestingAxis
= us-gaap_ShareBasedCompensationAwardTrancheThreeMember
Ìý Ìý
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 1 year Ìý Ìý
Programming and content expense Ìý Ìý Ìý
Stock-based compensation 4us-gaap_ShareBasedCompensation
/ us-gaap_InformationByFinancialStatementLineItemAxis
= lmca_ProgrammingAndContentExpenseMember
4us-gaap_ShareBasedCompensation
/ us-gaap_InformationByFinancialStatementLineItemAxis
= lmca_ProgrammingAndContentExpenseMember
Ìý
Customer service and billing Ìý Ìý Ìý
Stock-based compensation 1us-gaap_ShareBasedCompensation
/ us-gaap_InformationByFinancialStatementLineItemAxis
= lmca_CustomerServiceAndBillingMember
1us-gaap_ShareBasedCompensation
/ us-gaap_InformationByFinancialStatementLineItemAxis
= lmca_CustomerServiceAndBillingMember
Ìý
Other cost of subscriber services Ìý Ìý Ìý
Stock-based compensation 2us-gaap_ShareBasedCompensation
/ us-gaap_InformationByFinancialStatementLineItemAxis
= lmca_OthercostofsubscriberservicesMember
2us-gaap_ShareBasedCompensation
/ us-gaap_InformationByFinancialStatementLineItemAxis
= lmca_OthercostofsubscriberservicesMember
Ìý
Operating operating expense Ìý Ìý Ìý
Stock-based compensation 4us-gaap_ShareBasedCompensation
/ us-gaap_InformationByFinancialStatementLineItemAxis
= us-gaap_OperatingExpenseMember
4us-gaap_ShareBasedCompensation
/ us-gaap_InformationByFinancialStatementLineItemAxis
= us-gaap_OperatingExpenseMember
Ìý
Selling, General and Administrative Expenses Ìý Ìý Ìý
Stock-based compensation $ 33us-gaap_ShareBasedCompensation
/ us-gaap_InformationByFinancialStatementLineItemAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember
$ 38us-gaap_ShareBasedCompensation
/ us-gaap_InformationByFinancialStatementLineItemAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember
Ìý