Annual report pursuant to Section 13 and 15(d)

Debt (Details)

v3.10.0.1
Debt (Details) - USD ($)
Dec. 31, 2018
Dec. 31, 2017
Oct. 17, 2013
Debt Instrument [Line Items]      
Outstanding principal $ 13,421,000,000    
Total debt 13,388,000,000 $ 13,954,000,000  
Debt classified as current (17,000,000) (768,000,000)  
Total long-term debt $ 13,371,000,000 13,186,000,000  
1.375% Cash Convertible Senior Notes Due 2023      
Debt Instrument [Line Items]      
Debt face amount     $ 1,000,000,000
Debt instrument interest rate 1.375%   1.375%
2.25% Exchangeable Senior Debentures due 2046      
Debt Instrument [Line Items]      
Debt instrument interest rate 2.25%    
2.125% Exchangeable Senior Debentures Due 2048      
Debt Instrument [Line Items]      
Debt instrument interest rate 2.125%    
Sirius XM 3.875% Senior Notes due 2022      
Debt Instrument [Line Items]      
Debt instrument interest rate 3.875%    
Sirius XM 4.625% Senior Notes Due 2023      
Debt Instrument [Line Items]      
Debt instrument interest rate 4.625%    
Sirius XM 6.00% Senior Notes Due 2024      
Debt Instrument [Line Items]      
Debt instrument interest rate 6.00%    
Sirius XM 5.375% Senior Notes Due 2025      
Debt Instrument [Line Items]      
Debt instrument interest rate 5.375%    
Sirius XM 5.375% Senior Notes due 2026      
Debt Instrument [Line Items]      
Debt instrument interest rate 5.375%    
Sirius XM 5.0% Senior Notes due 2027 Member      
Debt Instrument [Line Items]      
Debt instrument interest rate 5.00%    
2.25% Exchangeable Senior Debentures due 2048      
Debt Instrument [Line Items]      
Debt instrument interest rate 2.25%    
1.375% Cash Convertible Senior Notes Due 2023      
Debt Instrument [Line Items]      
Debt instrument interest rate 1.375%    
2.25% Exchangeable Senior Debentures due 2046      
Debt Instrument [Line Items]      
Debt instrument interest rate 2.25%    
Liberty Sirius XM Group      
Debt Instrument [Line Items]      
Outstanding principal $ 7,944,000,000    
Deferred financing costs (9,000,000) (9,000,000)  
Total debt 7,858,000,000 7,496,000,000  
Debt classified as current (3,000,000) (755,000,000)  
Total long-term debt 7,855,000,000 6,741,000,000  
Liberty Sirius XM Group | 2.125% Exchangeable Senior Debentures Due 2048      
Debt Instrument [Line Items]      
Outstanding principal 400,000,000    
Total debt 372,000,000    
Liberty Sirius XM Group | Margin loan      
Debt Instrument [Line Items]      
Outstanding principal 600,000,000    
Total debt 600,000,000 750,000,000  
Liberty Sirius XM Group | Sirius XM 3.875% Senior Notes due 2022      
Debt Instrument [Line Items]      
Outstanding principal 1,000,000,000    
Total debt 994,000,000 992,000,000  
Liberty Sirius XM Group | Sirius XM 4.625% Senior Notes Due 2023      
Debt Instrument [Line Items]      
Outstanding principal 500,000,000    
Total debt 497,000,000 497,000,000  
Liberty Sirius XM Group | Sirius XM 6.00% Senior Notes Due 2024      
Debt Instrument [Line Items]      
Outstanding principal 1,500,000,000    
Total debt 1,490,000,000 1,488,000,000  
Liberty Sirius XM Group | Sirius XM 5.375% Senior Notes Due 2025      
Debt Instrument [Line Items]      
Outstanding principal 1,000,000,000    
Total debt 992,000,000 991,000,000  
Liberty Sirius XM Group | Sirius XM 5.375% Senior Notes due 2026      
Debt Instrument [Line Items]      
Outstanding principal 1,000,000,000    
Total debt 991,000,000 990,000,000  
Liberty Sirius XM Group | Sirius XM 5.0% Senior Notes due 2027 Member      
Debt Instrument [Line Items]      
Outstanding principal 1,500,000,000    
Total debt 1,487,000,000 1,486,000,000  
Liberty Sirius XM Group | Sirius XM Senior Secured Revolving Credit Facility      
Debt Instrument [Line Items]      
Outstanding principal 439,000,000    
Total debt 439,000,000 300,000,000  
Liberty Sirius XM Group | Sirius XM leases      
Debt Instrument [Line Items]      
Outstanding principal 5,000,000    
Total debt 5,000,000 11,000,000  
Braves Group      
Debt Instrument [Line Items]      
Outstanding principal 494,000,000    
Deferred financing costs (3,000,000) (5,000,000)  
Total debt 491,000,000 662,000,000  
Debt classified as current (14,000,000) (13,000,000)  
Total long-term debt 477,000,000 649,000,000  
Braves Group | Notes and loans      
Debt Instrument [Line Items]      
Outstanding principal 494,000,000    
Total debt 494,000,000 667,000,000  
Formula One Group      
Debt Instrument [Line Items]      
Outstanding principal 4,983,000,000    
Deferred financing costs (19,000,000) (18,000,000)  
Total debt 5,039,000,000 5,796,000,000  
Total long-term debt 5,039,000,000 5,796,000,000  
Formula One Group | 1% Cash Convertible Notes Due 2023      
Debt Instrument [Line Items]      
Outstanding principal 450,000,000    
Total debt 463,000,000 $ 505,000,000  
Debt instrument interest rate   1.00%  
Formula One Group | 2.25% Exchangeable Senior Debentures due 2048      
Debt Instrument [Line Items]      
Outstanding principal 385,000,000    
Total debt 381,000,000    
Formula One Group | 1.375% Cash Convertible Senior Notes Due 2023      
Debt Instrument [Line Items]      
Outstanding principal 1,000,000,000    
Total debt 1,062,000,000 $ 1,146,000,000  
Formula One Group | 2.25% Exchangeable Senior Debentures due 2046      
Debt Instrument [Line Items]      
Outstanding principal 213,000,000    
Total debt 209,000,000 464,000,000  
Formula One Group | Live Nation Margin Loan      
Debt Instrument [Line Items]      
Total debt   350,000,000  
Formula One Group | Other Debt Obligations      
Debt Instrument [Line Items]      
Outstanding principal 33,000,000    
Total debt 33,000,000 35,000,000  
Formula One Group | Senior Loan Facility      
Debt Instrument [Line Items]      
Outstanding principal 2,902,000,000    
Total debt $ 2,910,000,000 $ 3,314,000,000