Annual report pursuant to Section 13 and 15(d)

Assets And Liabilities Measured At Fair Value - Realized and Unrealized Gains (Losses) on Financial Instruments (Details)

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Assets And Liabilities Measured At Fair Value - Realized and Unrealized Gains (Losses) on Financial Instruments (Details)
 1 Months Ended 12 Months Ended 15 Months Ended
Sep. 30, 2015
shares
Sep. 30, 2014
shares
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Dec. 02, 2015
USD ($)
Jun. 30, 2016
USD ($)
item
Oct. 31, 2013
USD ($)
Oct. 17, 2013
USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                  
Realized and unrealized gains (losses) on financial instruments, net     $ 37,000,000 $ (140,000,000) $ 38,000,000        
Payments for (Proceeds from) Derivative Instrument, Investing Activities     1,000,000 322,000,000 72,000,000        
1.375% Cash Convertible Senior Notes due 2023                  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                  
Debt face amount                 $ 1,000,000,000
1.375% Cash Convertible Senior Notes due 2023 | Level 2                  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                  
Debt face amount               $ 1,000,000,000  
Fair Value Option Securities                  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                  
Realized and unrealized gains (losses) on financial instruments, net     112,000,000 (151,000,000) 80,000,000        
Convertible Notes Payable | Level 2                  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                  
Realized and unrealized gains (losses) on financial instruments, net     (113,000,000) (5,000,000) 12,000,000        
Bond Hedge Change in Fair Value | Level 2                  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                  
Realized and unrealized gains (losses) on financial instruments, net     37,000,000 23,000,000 (89,000,000)        
Other Financial Instruments | Level 2                  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                  
Realized and unrealized gains (losses) on financial instruments, net     $ 1,000,000 $ (7,000,000) $ 35,000,000        
Forward Contracts | Live Nation                  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                  
Maximum shares to be purchased | shares   15,900,000              
Weighted average stock price shares purchased by counterparty | shares 24.93                
Payments for (Proceeds from) Derivative Instrument, Investing Activities           $ 396,000,000      
Interest Rate Swap | Braves Holdings                  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                  
Interest rate swap arrangement | item             2    
Aggregate notional amount             $ 50,000,000