Annual report pursuant to Section 13 and 15(d)

Document And Entity Information

v2.4.1.9
Document And Entity Information (USD $)
In Billions, except Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Jun. 30, 2014
Jan. 31, 2015
Entity Registrant Name Liberty Media Corporation    
Entity Central Index Key 0001560385    
Current Fiscal Year End Date --12-31    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Filer Category Large Accelerated Filer    
Document Type 10-K    
Document Period End Date Dec. 31, 2014    
Document Fiscal Year Focus 2014    
Document Fiscal Period Focus FY    
Amendment Flag false    
Entity Public Float   $ 13.7dei_EntityPublicFloat  
Common Class A      
Entity Common Stock, Shares Outstanding     104,506,310dei_EntityCommonStockSharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember
Common Class B      
Entity Common Stock, Shares Outstanding     9,873,972dei_EntityCommonStockSharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassBMember
Common Class C      
Entity Common Stock, Shares Outstanding     228,295,067dei_EntityCommonStockSharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassCMember