Quarterly report pursuant to Section 13 or 15(d)

Earnings Attributable to Liberty Media Corporation Stockholders Per Common Share (Details)

v2.4.1.9
Earnings Attributable to Liberty Media Corporation Stockholders Per Common Share (Details)
3 Months Ended 0 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Jul. 23, 2014
Basic, Weighted average number of shares outstanding 342,000,000us-gaap_WeightedAverageNumberOfSharesOutstandingBasic 340,000,000us-gaap_WeightedAverageNumberOfSharesOutstandingBasic  
Potentially dilutive shares 3,000,000us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements 5,000,000us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements  
Diluted, Weighted average number of shares outstanding 345,000,000us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding 345,000,000us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding  
Common Class A      
Number of shares issued during the period for each share of Series A and Series B stock held by shareholders prior to the distribution     2lmca_NumberofsharesissuedduringtheperiodforeachshareofSeriesAandSeriesBstockheldbyshareholderspriortothedistribution
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember