| Earnings Attributable to Liberty Media Corporation Stockholders Per Common Share (Tables) | 3 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||
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| Mar. 31, 2014 | |||||||||||||||||||||||||||||||||||||||||||||||||
| Earnings Per Share [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||
| Reconciliation of Basic and Diluted Weighted Average Shares | 
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- Details 
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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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