Quarterly report pursuant to Section 13 or 15(d)

Investments In Available-For-Sale Securities And Other Cost Investments (Details)

v3.7.0.1
Investments In Available-For-Sale Securities And Other Cost Investments (Details) - USD ($)
$ in Millions
Mar. 31, 2017
Dec. 31, 2016
Transaction details [Line Items]    
Investments in available-for-sale securities and other cost investments $ 582 $ 1,309
Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax 0 0
Braves Group    
Transaction details [Line Items]    
Investments in available-for-sale securities and other cost investments 8 8
Braves Group | AFS and cost method investments    
Transaction details [Line Items]    
Investments in available-for-sale securities and other cost investments 8 8
Formula One Group    
Transaction details [Line Items]    
Investments in available-for-sale securities and other cost investments 574 1,301
Formula One Group | Fair Value Option Securities    
Transaction details [Line Items]    
Investments in available-for-sale securities and other cost investments 518 489
Formula One Group | AFS and cost method investments    
Transaction details [Line Items]    
Investments in available-for-sale securities and other cost investments 56 812
Formula One Group | Other equity securities | Fair Value Option Securities    
Transaction details [Line Items]    
Investments in available-for-sale securities and other cost investments 16 13
Formula One Group | Other AFS Equity Securities | AFS and cost method investments    
Transaction details [Line Items]    
Investments in available-for-sale securities and other cost investments 56 53
Formula One Group | Time Warner Inc | Fair Value Option Securities    
Transaction details [Line Items]    
Investments in available-for-sale securities and other cost investments 416 411
Formula One Group | Viacom, Inc. | Fair Value Option Securities    
Transaction details [Line Items]    
Investments in available-for-sale securities and other cost investments $ 86 65
Formula One Group | Formula 1 | AFS and cost method investments    
Transaction details [Line Items]    
Investments in available-for-sale securities and other cost investments   $ 759