Stock-Based Compensation (Details 2) (USD $)
In Millions, except Share data in Thousands, unless otherwise specified |
3 Months Ended | |
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Mar. 31, 2015
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Mar. 31, 2014
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Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] | ||
Total unrecognized compensation cost related to unvested equity awards | $ 69us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized | |
Weighted average period of recognition related to unvested Liberty equity awards (in years) | 2 years 6 months | |
Stock-based compensation | 44us-gaap_ShareBasedCompensation | 49us-gaap_ShareBasedCompensation |
SIRIUS XM | ||
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] | ||
Outstanding options, Ending Balance |
249,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / dei_LegalEntityAxis = lmca_SiriusXmMember |
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Exercisable options |
105,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber / dei_LegalEntityAxis = lmca_SiriusXmMember |
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Outstanding WAEP, End of period |
$ 2.73us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / dei_LegalEntityAxis = lmca_SiriusXmMember |
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Exercisable WAEP |
$ 2.26us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice / dei_LegalEntityAxis = lmca_SiriusXmMember |
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Exercisable Options, Aggregate Intrinsic Value |
181us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1 / dei_LegalEntityAxis = lmca_SiriusXmMember |
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Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value |
287us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue / dei_LegalEntityAxis = lmca_SiriusXmMember |
|
Total unrecognized compensation cost related to unvested equity awards |
198us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized / dei_LegalEntityAxis = lmca_SiriusXmMember |
|
Weighted average period of recognition related to unvested Liberty equity awards (in years) | 2 years | |
SIRIUS XM | SIRIUS XM | ||
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] | ||
Stock-based compensation |
$ 37us-gaap_ShareBasedCompensation / dei_LegalEntityAxis = lmca_SiriusXmMember / us-gaap_StatementBusinessSegmentsAxis = lmca_SiriusXmMember |
$ 36us-gaap_ShareBasedCompensation / dei_LegalEntityAxis = lmca_SiriusXmMember / us-gaap_StatementBusinessSegmentsAxis = lmca_SiriusXmMember |
X | ||||||||||
- Definition
Unrecognized cost of unvested share-based compensation awards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
Number of options outstanding, including both vested and non-vested options. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Details
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X | ||||||||||
- Definition
Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Details
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