Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt - Narrative (Details)

v3.21.1
Long-Term Debt - Narrative (Details)
1 Months Ended 3 Months Ended
Feb. 24, 2021
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Nov. 09, 2020
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Nov. 26, 2019
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$ / shares
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Dec. 10, 2018
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Jun. 22, 2018
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Mar. 06, 2018
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$ / shares
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Jan. 23, 2017
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Nov. 30, 2020
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Dec. 31, 2018
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Mar. 31, 2021
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Mar. 31, 2020
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Mar. 27, 2020
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Aug. 17, 2016
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Oct. 17, 2013
USD ($)
1.375% Cash Convertible Senior Notes Due 2023                            
Debt Instrument                            
Debt instrument interest rate (as a percent)                           1.375%
2.25% Exchangeable Senior Debentures due 2048                            
Debt Instrument                            
Debt instrument interest rate (as a percent)                 2.25%          
Principal amount                 $ 385,000,000          
Sirius XM Holdings Margin Loan | Senior Loan Facility                            
Debt Instrument                            
Principal amount $ 875,000,000                          
Live Nation Margin Loan                            
Debt Instrument                            
Line of Credit Facility, Remaining Borrowing Capacity                   $ 200,000,000        
Maximum borrowing capacity   $ 200,000,000   $ 600,000,000               $ 270,000,000    
Undrawn commitment fee   0.50%                        
Live Nation Margin Loan | LIBOR                            
Debt Instrument                            
Debt Instrument, Description of Variable Rate Basis   LIBOR   LIBOR                    
Debt Instrument, Basis Spread on Variable Rate   2.00%   1.80%                    
Minimum | Live Nation Margin Loan                            
Debt Instrument                            
Undrawn commitment fee       0.75%                    
Maximum | Live Nation Margin Loan                            
Debt Instrument                            
Undrawn commitment fee       0.85%                    
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%          
Live Nation | Live Nation Margin Loan                            
Debt Instrument                            
Share value                   $ 759,000,000        
Shares | shares                   9,000,000.0        
1.375% Convertible Notes Bond Hedge Transaction | Common Class A                            
Debt Instrument                            
Securities Basket price per share | $ / shares                   $ 57.45        
Warrant transaction | Common Class A                            
Debt Instrument                            
Securities Basket price per share | $ / shares                   $ 57.45        
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%
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%        
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             27.11              
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%  
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%          
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 | 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 SiriusXM Group | Common Class A                            
Debt Instrument                            
Securities basket conversion ratio from shares of Liberty Media Corporation common stock                   1.0163        
Liberty SiriusXM Group | 1.375% Cash Convertible Senior Notes Due 2023                            
Debt Instrument                            
Debt instrument interest rate (as a percent)                   1.375%        
Liberty SiriusXM Group | 2.125% Exchangeable Senior Debentures Due 2048                            
Debt Instrument                            
Debt instrument interest rate (as a percent)           2.125%       2.125%        
Principal amount           $ 400,000,000                
Liberty SiriusXM Group | 2.25% Exchangeable Senior Debentures due 2048                            
Debt Instrument                            
Debt instrument interest rate (as a percent)                   2.25%        
Liberty SiriusXM Group | 2.75% Exchangeable Senior Debentures Due 2049                            
Debt Instrument                            
Debt instrument interest rate (as a percent)     2.75%             2.75%        
Principal amount     $ 604,000,000                      
Debt Instrument, Redemption Price, Percentage     100.00%                      
Liberty SiriusXM Group | 0.5% Exchangeable Senior Debentures due 2050                            
Debt Instrument                            
Debt instrument interest rate (as a percent)               0.50%   0.50%        
Principal amount               $ 920,000,000            
Liberty SiriusXM Group | Sirius XM Holdings Margin Loan                            
Debt Instrument                            
Principal amount $ 125,000,000                          
Effective interest rate                   2.19%        
Debt instrument, unused borrowing capacity, fee, percent                     0.75%      
Line of Credit Facility, Remaining Borrowing Capacity                   $ 875,000,000        
Undrawn commitment fee 0.50%                          
Liberty SiriusXM Group | Sirius XM Holdings Margin Loan | LIBOR                            
Debt Instrument                            
Debt Instrument, Description of Variable Rate Basis LIBOR                 LIBOR        
Debt Instrument, Basis Spread on Variable Rate 2.00%                   2.05%      
Liberty SiriusXM Group | Sirius XM Holdings Margin Loan | Term Loan                            
Debt Instrument                            
Principal amount $ 875,000,000                   $ 250,000,000      
Liberty SiriusXM Group | Sirius XM Holdings Margin Loan | Senior Loan Facility                            
Debt Instrument                            
Principal amount                     500,000,000      
Liberty SiriusXM Group | Sirius XM Holdings Margin Loan | Delayed Draw Term Loan                            
Debt Instrument                            
Principal amount                     $ 600,000,000      
Liberty SiriusXM Group | Sirius Xm 4.625% Senior Notes Due 2024                            
Debt Instrument                            
Debt instrument interest rate (as a percent)                   4.625%        
Liberty SiriusXM Group | Sirius XM 5.375% Senior Notes Due 2025                            
Debt Instrument                            
Debt instrument interest rate (as a percent)                   5.375%        
Liberty SiriusXM Group | Sirius XM 5.375% Senior Notes due 2026                            
Debt Instrument                            
Debt instrument interest rate (as a percent)                   5.375%        
Liberty SiriusXM Group | Sirius Xm 5.50% Senior Notes Due 2029                            
Debt Instrument                            
Debt instrument interest rate (as a percent)                   5.50%        
Liberty SiriusXM Group | Sirius XM 3.875% Senior Notes due 2022                            
Debt Instrument                            
Debt instrument interest rate (as a percent)                   3.875%        
Liberty SiriusXM Group | Sirius XM 5.00% Senior Notes due 2027                            
Debt Instrument                            
Debt instrument interest rate (as a percent)                   5.00%        
Liberty SiriusXM Group | Pandora 1.75% Convertible Senior Notes due 2023                            
Debt Instrument                            
Debt instrument interest rate (as a percent)                   1.75%        
Liberty SiriusXM Group | Sirius XM Senior Secured Revolving Credit Facility                            
Debt Instrument                            
Effective interest rate                   1.71%        
Debt instrument, unused borrowing capacity, fee, percent                   0.25%        
Line of Credit Facility, Remaining Borrowing Capacity                   $ 726,000,000        
Maximum borrowing capacity                   $ 1,750,000,000        
Liberty SiriusXM Group | Sirius XM 4.125% Senior Notes Due 2030                            
Debt Instrument                            
Debt instrument interest rate (as a percent)                   4.125%        
Liberty SiriusXM 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 SiriusXM Group | Sirius XM Holdings | 2.75% Exchangeable Senior Debentures Due 2049                            
Debt Instrument                            
Shares underlying the debentures | shares     70,000,000                      
Conversion price for exchangeable debt | $ / shares     $ 8.62                      
Liberty SiriusXM Group | Sirius XM Holdings | Sirius XM Holdings Margin Loan                            
Debt Instrument                            
Share value                   $ 7,947,000,000        
Shares | shares                   1,305,000,000.0        
Liberty SiriusXM Group | Live Nation | 0.5% Exchangeable Senior Debentures due 2050                            
Debt Instrument                            
Shares underlying the debentures | shares               10,000,000            
Conversion price for exchangeable debt | $ / shares               $ 90.10            
Debt Instrument, Redemption Price, Percentage               100.00%            
Liberty SiriusXM Group | Pandora | Sirius XM Senior Secured Revolving Credit Facility | Letter of Credit                            
Debt Instrument                            
Reduction in future borrowing capacity                   $ 1,000,000        
Liberty SiriusXM Group | 1.375% Convertible Notes Bond Hedge Transaction | Common Class A                            
Debt Instrument                            
Forward contract, number of underlying shares | shares                   21,429,600        
Liberty SiriusXM Group | Warrant transaction | Common Class A                            
Debt Instrument                            
Class of Warrant or Right, Outstanding | shares                   21,429,600        
Braves Group | Common Class A                            
Debt Instrument                            
Securities basket conversion ratio from shares of Liberty Media Corporation common stock                   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        
Braves Group | Warrant transaction | Common Class A                            
Debt Instrument                            
Class of Warrant or Right, Outstanding | shares                   2,292,037