Quarterly report pursuant to Section 13 or 15(d)

Document And Entity Information

v3.10.0.1
Document And Entity Information - shares
6 Months Ended
Jun. 30, 2018
Jul. 31, 2018
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 Jun. 30, 2018  
Document Fiscal Year Focus 2018  
Document Fiscal Period Focus Q2  
Amendment Flag false  
Liberty Sirius XM Group Common Class A    
Entity Common Stock, Shares Outstanding   102,797,157
Liberty Sirius XM Group Common Class B    
Entity Common Stock, Shares Outstanding   9,821,531
Liberty Sirus XM Group Common Class C    
Entity Common Stock, Shares Outstanding   217,895,129
Liberty Braves Group Common Class A    
Entity Common Stock, Shares Outstanding   10,244,042
Liberty Braves Group Common Class B    
Entity Common Stock, Shares Outstanding   981,860
Liberty Braves Group Common Class C    
Entity Common Stock, Shares Outstanding   39,738,398
Liberty Formula One Group Common Class A    
Entity Common Stock, Shares Outstanding   25,659,680
Liberty Formula One Group Common Class B    
Entity Common Stock, Shares Outstanding   2,454,126
Liberty Formula One Group Common Class C    
Entity Common Stock, Shares Outstanding   202,809,478