Annual report pursuant to Section 13 and 15(d)

Long-Term Debt - Braves Holdings Notes (Details)

v3.8.0.1
Long-Term Debt - Braves Holdings Notes (Details)
shares in Thousands, $ in Millions
 12 Months Ended
Dec. 31, 2017
USD ($)
shares
Dec. 31, 2017
USD ($)
shares
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Dec. 31, 2014
a
Debt Instrument [Line Items]          
Outstanding principal $ 13,810 $ 13,810      
Long-term Debt $ 13,954 13,954 $ 8,018    
Borrowings of debt   6,697 2,745 $ 2,213  
Related Party Transaction, Amounts of Transaction   24 21 $ 23  
Fair Value of Assets Acquired   $ 484      
Mixed Use Credit Facilities | Time Warner Inc          
Debt Instrument [Line Items]          
Shares pledged as collateral under loan | shares 464 464      
Share value $ 42 $ 42      
Ballpark          
Debt Instrument [Line Items]          
Construction and Development Costs   722      
Mixed Use Development          
Debt Instrument [Line Items]          
Expected cost of new facility 419 558      
Braves Holdings          
Debt Instrument [Line Items]          
Area of land acquired (in acres) | a         82
Long-term Debt 667 667 338    
Line of Credit Facility, Maximum Borrowing Capacity $ 792 $ 792      
Braves Holdings | Senior Secured Notes          
Debt Instrument [Line Items]          
Effective interest rate 3.77% 3.77%      
Long-term Debt $ 200 $ 200 200    
Line of Credit Facility, Maximum Borrowing Capacity $ 200 $ 200      
Braves Holdings | Floating Rate Notes          
Debt Instrument [Line Items]          
Effective interest rate 3.06% 3.06%      
Long-term Debt $ 75 $ 75      
Line of Credit Facility, Maximum Borrowing Capacity $ 75 $ 75      
Braves Holdings | Revolving Credit Facility | Operating Credit Facilities          
Debt Instrument [Line Items]          
Effective interest rate 2.43% 2.43%      
Long-term Debt $ 98 $ 98 61    
Line of Credit Facility, Maximum Borrowing Capacity $ 185 $ 185      
Braves Holdings | Revolving Credit Facility | Mixed Use Credit Facilities          
Debt Instrument [Line Items]          
Effective interest rate 3.85% 3.85%      
Long-term Debt $ 200 $ 200 67    
Line of Credit Facility, Maximum Borrowing Capacity $ 237 $ 237      
Braves Holdings | Revolving Credit Facility | Spring Training Credit Facility          
Debt Instrument [Line Items]          
Effective interest rate 2.56% 2.56%      
Long-term Debt $ 39 $ 39      
Line of Credit Facility, Maximum Borrowing Capacity $ 40 $ 40      
Braves Holdings | Term Loan | Term Loan          
Debt Instrument [Line Items]          
Effective interest rate 3.06% 3.06%      
Long-term Debt $ 55 $ 55 $ 10    
Line of Credit Facility, Maximum Borrowing Capacity 55 55      
Braves Holdings | Ballpark          
Debt Instrument [Line Items]          
Construction and Development Costs   330      
Braves Holdings | Mixed Use Development          
Debt Instrument [Line Items]          
Expected cost of new facility   470      
Construction and Development Costs 388        
Proceeds from equity issuance to fund new facility 200 188      
Proceeds from debt issuance to fund new facility $ 270 200      
Cobb Marietta Coliseum And Exhibit Hall Authority | Ballpark          
Debt Instrument [Line Items]          
Construction and Development Costs   $ 392