Quarterly report pursuant to Section 13 or 15(d)

Debt (Details)

v3.4.0.3
Debt (Details)
shares in Thousands
1 Months Ended 3 Months Ended 12 Months Ended
Mar. 31, 2016
USD ($)
shares
Dec. 31, 2015
USD ($)
item
Sep. 30, 2015
USD ($)
Mar. 31, 2016
USD ($)
item
shares
Mar. 31, 2015
USD ($)
Dec. 31, 2014
a
Aug. 31, 2015
USD ($)
Debt Instrument [Line Items]              
Long-term Debt $ 7,118,000,000 $ 6,881,000,000   $ 7,118,000,000      
Borrowings of debt       $ 335,000,000 $ 1,275,000,000    
Braves Holdings              
Debt Instrument [Line Items]              
Area of land aquired (in acres) | a           82  
Number of credit facilities | item       2      
Braves Holdings | Braves Holdings Term Loan              
Debt Instrument [Line Items]              
Debt Instrument, Description of Variable Rate Basis     LIBOR        
Effective interest rate 1.68%     1.68%      
Braves Holdings | Braves Holdings Revolving Credit Facilities Total              
Debt Instrument [Line Items]              
Effective interest rate 1.71%     1.71%      
Braves Holdings | Revolving Credit Facility              
Debt Instrument [Line Items]              
Line of Credit Facility, Maximum Borrowing Capacity $ 175,000,000     $ 175,000,000      
Braves Holdings | Revolving Credit Facility | Braves Holdings Term Loan              
Debt Instrument [Line Items]              
Debt instrument, unused borrowing capacity, fee, percent     0.35%        
Braves Holdings | Revolving Credit Facility | Braves Holdings Revolving Credit Facility One              
Debt Instrument [Line Items]              
Line of Credit Facility, Maximum Borrowing Capacity 75,000,000     75,000,000     $ 250,000,000
Braves Holdings | Term loan | Braves Holdings Term Loan              
Debt Instrument [Line Items]              
Debt issuance amount     $ 345,000,000        
Braves Holdings | Cobb County Major League Baseball Ballpark              
Debt Instrument [Line Items]              
Stadium other costs and equipment       50,000,000      
Construction and Development Costs 326,000,000     672,000,000      
Braves Holdings | Cobb County Major League Baseball Ballpark | Revolving Credit Facility | Braves Holdings Term Loan and Revolving Credit Facilities              
Debt Instrument [Line Items]              
Long-term Debt 115,000,000     115,000,000      
Braves Holdings | Cobb County Ballpark Mixed Use Development              
Debt Instrument [Line Items]              
Construction and Development Costs 130,000,000     $ 558,000,000      
Proceeds from equity issuance to fund new facility 200,000,000            
Proceeds from debt issuance to fund new facility $ 290,000,000            
Braves Holdings | Cobb County Ballpark Mixed Use Development | Revolving Credit Facility              
Debt Instrument [Line Items]              
Debt Instrument, Description of Variable Rate Basis LIBOR            
Number of credit facilities | item   3          
Line of Credit Facility, Maximum Borrowing Capacity   $ 207,000,000          
Extension Options on Credit Facilities 2 years            
Shares pledged as collateral under loan | shares 464     464      
Share value $ 34,000,000     $ 34,000,000      
Braves Holdings | Cobb Marietta Coliseum And Exhibit Hall Authority | Cobb County Major League Baseball Ballpark              
Debt Instrument [Line Items]              
Due from Affiliates 392,000,000     392,000,000      
Braves Holdings | Affiliated Entities | Cobb County Ballpark Mixed Use Development              
Debt Instrument [Line Items]              
Construction and Development Costs       $ 490,000,000      
Braves Holdings | The Authority              
Debt Instrument [Line Items]              
Related Party Transaction, Amounts of Transaction     103,000,000        
Braves Holdings | The Authority | Cobb Marietta Coliseum And Exhibit Hall Authority | Cobb County Major League Baseball Ballpark              
Debt Instrument [Line Items]              
Fair Value of Assets Acquired $ 250,000,000            
Cobb Marietta Coliseum And Exhibit Hall Authority | Cobb County Major League Baseball Ballpark | Bonds Payable              
Debt Instrument [Line Items]              
Debt issuance amount     $ 368,000,000        
Minimum | Braves Holdings | Braves Holdings Term Loan              
Debt Instrument [Line Items]              
Debt Instrument, Basis Spread on Variable Rate     1.50%        
Minimum | Braves Holdings | Cobb County Ballpark Mixed Use Development | Revolving Credit Facility              
Debt Instrument [Line Items]              
Debt Instrument, Basis Spread on Variable Rate 2.00%            
Maximum | Braves Holdings | Braves Holdings Term Loan              
Debt Instrument [Line Items]              
Debt Instrument, Basis Spread on Variable Rate     1.75%        
Maximum | Braves Holdings | Cobb County Ballpark Mixed Use Development | Revolving Credit Facility              
Debt Instrument [Line Items]              
Debt Instrument, Basis Spread on Variable Rate 2.60%