Quarterly report pursuant to Section 13 or 15(d)

Investments In Affiliates Accounted For Using The Equity Method - Share Of Earnings (Losses) Of Affiliates (Details)

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Investments In Affiliates Accounted For Using The Equity Method - Share Of Earnings (Losses) Of Affiliates (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Schedule of Equity Method Investments [Line Items]        
Share of earnings (losses) of affiliates, net $ 16 $ 18 $ 12 $ 6
Liberty Sirius XM Group        
Schedule of Equity Method Investments [Line Items]        
Share of earnings (losses) of affiliates, net (5) 2 (2) 9
Liberty Sirius XM Group | Sirius XM Canada        
Schedule of Equity Method Investments [Line Items]        
Share of earnings (losses) of affiliates, net (5) 2 (2) 9
Braves Group        
Schedule of Equity Method Investments [Line Items]        
Share of earnings (losses) of affiliates, net 1 2 4 4
Formula One Group        
Schedule of Equity Method Investments [Line Items]        
Share of earnings (losses) of affiliates, net 20 14 10 (7)
Formula One Group | Live Nation        
Schedule of Equity Method Investments [Line Items]        
Share of earnings (losses) of affiliates, net 23 9 8 (8)
Other | Braves Group        
Schedule of Equity Method Investments [Line Items]        
Share of earnings (losses) of affiliates, net 1 2 4 4
Other | Formula One Group        
Schedule of Equity Method Investments [Line Items]        
Share of earnings (losses) of affiliates, net $ (3) $ 5 $ 2 $ 1