Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt - Narrative (Details)

v3.19.3
Long-Term Debt - Narrative (Details)
1 Months Ended 9 Months Ended
Sep. 30, 2019
USD ($)
$ / shares
shares
Feb. 14, 2019
Dec. 10, 2018
USD ($)
Jun. 22, 2018
USD ($)
$ / shares
shares
Mar. 06, 2018
USD ($)
$ / shares
shares
Jan. 23, 2017
USD ($)
$ / shares
Apr. 15, 2016
$ / shares
shares
Dec. 31, 2018
USD ($)
$ / shares
shares
Sep. 30, 2019
USD ($)
$ / shares
shares
Jul. 31, 2019
USD ($)
Jun. 30, 2019
USD ($)
Mar. 31, 2019
USD ($)
Mar. 18, 2019
USD ($)
Feb. 01, 2019
USD ($)
Aug. 17, 2016
USD ($)
Oct. 17, 2013
USD ($)
1.375% Convertible Notes Bond Hedge Transaction | Common Class A                                
Debt Instrument                                
Securities Basket price per share | $ / shares $ 54.49               $ 54.49              
Warrant transaction | Common Class A                                
Debt Instrument                                
Securities Basket price per share | $ / shares $ 54.49               $ 54.49              
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                                
Debt instrument interest rate (as a percent) 1.375%               1.375%             1.375%
Principal amount                               $ 1,000,000,000
Formula One Group | 1% Cash Convertible Notes Due 2023                                
Debt Instrument                                
Debt instrument interest rate (as a percent) 1.00%         1.00%     1.00%              
Principal amount           $ 450,000,000                    
Debt instrument, face amount per debenture           $ 1,000                    
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                                
Debt instrument interest rate (as a percent) 2.25%               2.25%           2.25%  
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                        
Formula One Group | 2.25% Exchangeable Senior Debentures due 2048                                
Debt Instrument                                
Debt instrument interest rate (as a percent) 2.25%             2.25% 2.25%              
Principal amount               $ 385,000,000                
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 $ 3,565,000,000               $ 3,565,000,000              
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                                
Debt instrument interest rate (as a percent) 2.125%       2.125%       2.125%              
Principal amount         $ 400,000,000                      
Liberty Sirius XM Group | Sirius XM Holdings Margin Loan                                
Debt Instrument                                
Effective interest rate 4.15%               4.15%              
Debt instrument, unused borrowing capacity, fee, percent                 0.75%              
Line of Credit Facility, Remaining Borrowing Capacity $ 800,000,000               $ 800,000,000              
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        
Liberty Sirius XM Group | Sirius XM Holdings Margin Loan | Revolving Credit Facility                                
Debt Instrument                                
Principal amount                       500,000,000        
Liberty Sirius XM Group | Sirius XM Holdings Margin Loan | Delayed Draw Term Loan                                
Debt Instrument                                
Principal amount                       $ 600,000,000        
Liberty Sirius XM Group | Sirius Xm 5.50% Senior Notes Due 2029                                
Debt Instrument                                
Debt instrument interest rate (as a percent) 5.50%               5.50%              
Liberty Sirius XM Group | Sirius Xm 4.625% Senior Notes Due 2024                                
Debt Instrument                                
Debt instrument interest rate (as a percent) 4.625%               4.625%              
Liberty Sirius XM Group | Sirius XM 6% Senior Notes Due 2024                                
Debt Instrument                                
Debt instrument interest rate (as a percent) 6.00%               6.00%              
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%         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%         1.75%    
Liberty Sirius XM Group | Sirius XM Senior Secured Revolving Credit Facility                                
Debt Instrument                                
Effective interest rate 3.89%               3.89%              
Debt instrument, unused borrowing capacity, fee, percent                 0.25%              
Line of Credit Facility, Remaining Borrowing Capacity $ 1,684,000,000               $ 1,684,000,000              
Line of Credit Facility, Maximum Borrowing Capacity $ 1,750,000,000               $ 1,750,000,000              
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 $ 6,255,000,000               $ 6,255,000,000              
Liberty Sirius XM Group | Pandora | Pandora 1.75% Convertible Senior Notes due 2020                                
Debt Instrument                                
Debt instrument interest rate (as a percent)                           1.75%    
Principal amount                           $ 152,000,000    
Debt Instrument, Redemption Price, Percentage   100.00%                            
Repurchase amount                         $ 151,000,000      
Liberty Sirius XM Group | Pandora | Pandora 1.75% Convertible Senior Notes due 2023                                
Debt Instrument                                
Debt instrument interest rate (as a percent)                           1.75%    
Principal amount                           $ 193,000,000    
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              
SIRIUS XM | Sirius Xm 5.50% Senior Notes Due 2029                                
Debt Instrument                                
Debt instrument interest rate (as a percent) 5.50%               5.50%   5.50%          
Principal amount                     $ 1,250,000,000          
SIRIUS XM | Sirius Xm 4.625% Senior Notes Due 2024                                
Debt Instrument                                
Debt instrument interest rate (as a percent)                   4.625%            
Principal amount                   $ 1,500,000,000            
SIRIUS XM Holdings | Sirius XM 6% Senior Notes Due 2024                                
Debt Instrument                                
Debt instrument interest rate (as a percent)                   6.00%