Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt - Narrative (Details)

v3.19.1
Long-Term Debt - Narrative (Details)
1 Months Ended 3 Months Ended
Mar. 31, 2019
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$ / shares
shares
Feb. 14, 2019
Dec. 10, 2018
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Jun. 22, 2018
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$ / shares
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Mar. 06, 2018
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$ / shares
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Jan. 23, 2017
USD ($)
$ / shares
Apr. 15, 2016
$ / shares
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Dec. 31, 2018
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$ / shares
shares
Mar. 31, 2019
USD ($)
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shares
Mar. 18, 2019
USD ($)
Feb. 01, 2019
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Aug. 17, 2016
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Oct. 17, 2013
USD ($)
1.375% Convertible Notes Bond Hedge Transaction | Common Class A                          
Debt Instrument                          
Securities Basket price per share | $ / shares $ 49.73               $ 49.73        
Warrant transaction | Common Class A                          
Debt Instrument                          
Securities Basket price per share | $ / shares $ 49.73               $ 49.73        
Warrant expiration period                 81 days        
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares             $ 61.16            
Formula One Group | Common Class A                          
Debt Instrument                          
Securities basket conversion ratio from shares of Liberty Media Corporation common stock             0.25            
Formula One Group | 1.375% Cash Convertible Senior Notes Due 2023                          
Debt Instrument                          
Principal amount                         $ 1,000,000,000
Debt instrument interest rate (as a percent) 1.375%               1.375%       1.375%
Formula One Group | 1% Cash Convertible Notes Due 2023                          
Debt Instrument                          
Principal amount           $ 450,000,000              
Debt instrument, face amount per debenture           $ 1,000              
Debt instrument interest rate (as a percent) 1.00%         1.00%     1.00%        
Formula One Group | 1% Cash Convertible Notes Due 2023 | Common Class C                          
Debt Instrument                          
Debt Instrument, Convertible, Conversion Ratio           27.1091              
conversion price for exchangeable debt | $ / shares           $ 36.89              
Formula One Group | 2.25% Exchangeable Senior Debentures due 2046                          
Debt Instrument                          
Principal amount                       $ 445,000,000  
Debt instrument, face amount per debenture       $ 1,000                  
Extraordinary additional distribution       229,000,000                  
Extraordinary additional distribution amount per debenture       $ 514.1295                  
Debt instrument interest rate (as a percent) 2.25%               2.25%     2.25%  
Formula One Group | 2.25% Exchangeable Senior Debentures due 2048                          
Debt Instrument                          
Principal amount               $ 385,000,000          
Debt instrument interest rate (as a percent) 2.25%             2.25% 2.25%        
Formula One Group | Live Nation Margin Loan                          
Debt Instrument                          
Line of Credit Facility, Remaining Borrowing Capacity $ 600,000,000               $ 600,000,000        
Line of Credit Facility, Maximum Borrowing Capacity     $ 600,000,000                    
Formula One Group | Live Nation Margin Loan | LIBOR                          
Debt Instrument                          
Debt Instrument, Description of Variable Rate Basis                 LIBOR        
Debt Instrument, Basis Spread on Variable Rate                 1.80%        
Formula One Group | Minimum | Live Nation Margin Loan                          
Debt Instrument                          
Increase in undrawn commitment fee (as percentage)     0.75%                    
Formula One Group | Maximum | Live Nation Margin Loan                          
Debt Instrument                          
Increase in undrawn commitment fee (as percentage)     0.85%                    
Formula One Group | Live Nation | 2.25% Exchangeable Senior Debentures due 2048                          
Debt Instrument                          
Shares underlying the debentures | shares               5,800,000          
conversion price for exchangeable debt | $ / shares               $ 66.28          
Debt Instrument, Redemption Price, Percentage               100.00%          
Formula One Group | Live Nation | Live Nation Margin Loan                          
Debt Instrument                          
Shares Pledged As Collateral Under Loan | shares 53,700,000               53,700,000        
Share value $ 3,415,000,000               $ 3,415,000,000        
Formula One Group | AT&T | 2.25% Exchangeable Senior Debentures due 2046                          
Debt Instrument                          
Exchange Price of Shares Attributable to Debentures | $ / shares       $ 35.35                  
Shares underlying the debentures | shares       6,110,000                  
Debt Instrument, Redemption Price, Percentage       100.00%                  
Formula One Group | Delta Topco | 1% Cash Convertible Notes Due 2023                          
Debt Instrument                          
Consideration payable           $ 400,000,000              
Formula One Group | 1.375% Convertible Notes Bond Hedge Transaction | Common Class A                          
Debt Instrument                          
Forward contract, number of underlying shares | shares             5,271,475            
Formula One Group | Warrant transaction | Common Class A                          
Debt Instrument                          
Class of Warrant or Right, Outstanding | shares             5,271,475            
Liberty Sirius XM Group | Common Class A                          
Debt Instrument                          
Securities basket conversion ratio from shares of Liberty Media Corporation common stock             1.0            
Liberty Sirius XM Group | 2.125% Exchangeable Senior Debentures Due 2048                          
Debt Instrument                          
Principal amount         $ 400,000,000                
Debt instrument interest rate (as a percent) 2.125%       2.125%       2.125%        
Liberty Sirius XM Group | Sirius XM Holdings Margin Loan                          
Debt Instrument                          
Effective interest rate 4.65%               4.65%        
Debt instrument, unused borrowing capacity, fee, percent                 0.75%        
Line of Credit Facility, Remaining Borrowing Capacity $ 550,000,000               $ 550,000,000        
Liberty Sirius XM Group | Sirius XM Holdings Margin Loan | LIBOR                          
Debt Instrument                          
Debt Instrument, Description of Variable Rate Basis                 LIBOR        
Debt Instrument, Basis Spread on Variable Rate                 2.05%        
Liberty Sirius XM Group | Sirius XM Holdings Margin Loan | Term Loan                          
Debt Instrument                          
Principal amount 250,000,000               $ 250,000,000        
Liberty Sirius XM Group | Sirius XM Holdings Margin Loan | Revolving Credit Facility                          
Debt Instrument                          
Principal amount 500,000,000               500,000,000        
Liberty Sirius XM Group | Sirius XM Holdings Margin Loan | Delayed Draw Term Loan                          
Debt Instrument                          
Principal amount $ 600,000,000               $ 600,000,000        
Liberty Sirius XM Group | Pandora 1.75% Convertible Senior Notes due 2020                          
Debt Instrument                          
Debt instrument interest rate (as a percent) 1.75%               1.75%        
Liberty Sirius XM Group | Pandora 1.75% Convertible Senior Notes due 2023                          
Debt Instrument                          
Debt instrument interest rate (as a percent) 1.75%               1.75%        
Liberty Sirius XM Group | Sirius XM Senior Secured Revolving Credit Facility                          
Debt Instrument                          
Debt instrument, unused borrowing capacity, fee, percent                 0.25%        
Line of Credit Facility, Remaining Borrowing Capacity $ 1,167,000,000               $ 1,167,000,000        
Line of Credit Facility, Maximum Borrowing Capacity $ 1,750,000,000               $ 1,750,000,000        
Liberty Sirius XM Group | Sirius XM Senior Secured Revolving Credit Facility | LIBOR                          
Debt Instrument                          
Effective interest rate 4.46%               4.46%        
Liberty Sirius XM Group | SIRIUS XM Holdings | 2.125% Exchangeable Senior Debentures Due 2048                          
Debt Instrument                          
Shares underlying the debentures | shares         49,900,000                
conversion price for exchangeable debt | $ / shares         $ 8.02                
Debt Instrument, Redemption Price, Percentage         100.00%                
Liberty Sirius XM Group | SIRIUS XM Holdings | Sirius XM Holdings Margin Loan                          
Debt Instrument                          
Shares Pledged As Collateral Under Loan | shares 1,000,000,000               1,000,000,000        
Share value $ 5,670,000,000               $ 5,670,000,000        
Liberty Sirius XM Group | Pandora | Pandora 1.75% Convertible Senior Notes due 2020                          
Debt Instrument                          
Principal amount                     $ 152,000,000    
Debt Instrument, Redemption Price, Percentage   100.00%                      
Debt instrument interest rate (as a percent)                     1.75%    
Repurchase amount                   $ 151,000,000      
Liberty Sirius XM Group | Pandora | Pandora 1.75% Convertible Senior Notes due 2023                          
Debt Instrument                          
Principal amount                     $ 193,000,000    
Debt instrument interest rate (as a percent)                     1.75%    
Liberty Sirius XM Group | Pandora | Sirius XM Senior Secured Revolving Credit Facility | Letter of Credit                          
Debt Instrument                          
Reduction in future borrowing capacity                 $ 1,000,000        
Liberty Sirius XM Group | 1.375% Convertible Notes Bond Hedge Transaction | Common Class A                          
Debt Instrument                          
Forward contract, number of underlying shares | shares             21,085,900            
Liberty Sirius XM Group | Warrant transaction | Common Class A                          
Debt Instrument                          
Class of Warrant or Right, Outstanding | shares             21,085,900            
Braves Group | Common Class A                          
Debt Instrument                          
Securities basket conversion ratio from shares of Liberty Media Corporation common stock 0.1087           0.10   0.1087        
Braves Group | 1.375% Convertible Notes Bond Hedge Transaction | Common Class A                          
Debt Instrument                          
Forward contract, number of underlying shares | shares 2,292,037           2,108,590            
Braves Group | Warrant transaction | Common Class A                          
Debt Instrument                          
Class of Warrant or Right, Outstanding | shares 2,292,037           2,108,590   2,292,037