|
Investments In Affiliates Accounted For Using The Equity Method (Details 1) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | |
|---|---|---|
|
Mar. 31, 2015
|
Mar. 31, 2014
|
|
| Schedule of Equity Method Investments [Line Items] | ||
| Share of earnings (losses) of affiliates, net | $ (37)us-gaap_IncomeLossFromEquityMethodInvestments | $ (35)us-gaap_IncomeLossFromEquityMethodInvestments |
| Excess basis amortization in share of earnings (loss) | 19lmca_ExcessBasisAmortizationInShareOfEarningsLoss | |
| Live Nation | ||
| Schedule of Equity Method Investments [Line Items] | ||
| Share of earnings (losses) of affiliates, net |
(18)us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lmca_LiveNationMember |
(14)us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lmca_LiveNationMember |
| Sirius XM Canada | ||
| Schedule of Equity Method Investments [Line Items] | ||
| Share of earnings (losses) of affiliates, net |
(7)us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lmca_SiriusXmCanadaMember |
1us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lmca_SiriusXmCanadaMember |
| Charter Communications | ||
| Schedule of Equity Method Investments [Line Items] | ||
| Share of earnings (losses) of affiliates, net |
(28)us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lmca_CharterCommunicationsMember |
|
| Equity method investment, other | ||
| Schedule of Equity Method Investments [Line Items] | ||
| Share of earnings (losses) of affiliates, net |
$ (12)us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lmca_EquityMethodInvestmentOtherMember |
$ 6us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = lmca_EquityMethodInvestmentOtherMember |
| X | ||||||||||
|
- Definition
Excess basis amortization accounted for under the equity method of accounting and included in the share of earnings (loss) statement of operations line item. No definition available.
|
| X | ||||||||||
|
- Definition
This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Details
|