Quarterly report pursuant to Section 13 or 15(d)

Document And Entity Information

Document And Entity Information
9 Months Ended
Sep. 30, 2014
Oct. 31, 2014
Common Class A
Oct. 31, 2014
Common Class B
Oct. 31, 2014
Common Class C
Entity Registrant Name Liberty Media Corp      
Entity Central Index Key 0001560385      
Current Fiscal Year End Date --12-31      
Entity Current Reporting Status Yes      
Entity Filer Category Large Accelerated Filer      
Document Type 10-Q      
Document Period End Date Sep. 30, 2014      
Document Fiscal Year Focus 2014      
Document Fiscal Period Focus Q3      
Amendment Flag false      
Entity Common Stock, Shares Outstanding   104,473,079 9,873,972 228,698,276