Quarterly report pursuant to Section 13 or 15(d)

Investments In Affiliates Accounted For Using The Equity Method (Details)

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Investments In Affiliates Accounted For Using The Equity Method (Details)
$ / shares in Units, shares in Millions
3 Months Ended 9 Months Ended
May 12, 2016
USD ($)
$ / shares
shares
Sep. 30, 2016
USD ($)
Sep. 30, 2015
USD ($)
Sep. 30, 2016
USD ($)
Sep. 30, 2015
USD ($)
May 12, 2016
CAD / shares
SIRIUS XM            
Schedule of Equity Method Investments [Line Items]            
Due to Related Parties, Current   $ 3,000,000   $ 3,000,000    
Due to Related Parties, Noncurrent   9,000,000   9,000,000    
Due from Related Parties, Current   5,000,000   5,000,000    
Sirius XM Canada            
Schedule of Equity Method Investments [Line Items]            
Dividends   $ 0 $ 4,000,000   $ 12,000,000  
Sirius XM Canada | Sirius XM Canada            
Schedule of Equity Method Investments [Line Items]            
Dividends       $ 8,000,000    
SIRIUS XM | Sirius XM Canada | Minimum            
Schedule of Equity Method Investments [Line Items]            
Royalty rate   10.00%   10.00%    
SIRIUS XM | Sirius XM Canada | Maximum            
Schedule of Equity Method Investments [Line Items]            
Royalty rate   15.00%   15.00%    
SIRIUS XM | Sirius XM Canada            
Schedule of Equity Method Investments [Line Items]            
Revenue from Related Parties   $ 12,000,000 $ 18,000,000 $ 32,000,000 $ 44,000,000  
EquityMethodInvestmentEquity Interest Issued or Issuable Value of Cash Shares or Exchangeable Security | (per share) $ 3.50         CAD 4.50
Equity Method Investment, Ownership Percentage 70.00%         70.00%
Equity Method Investment Voting Interest 33.00%          
Payments to Acquire Equity Method Investments $ 275,000,000          
SIRIUS XM | Sirius XM Canada | Maximum            
Schedule of Equity Method Investments [Line Items]            
Sale of Stock, Number of Shares Issued in Transaction | shares 35          
Equity Method Investment Maximum Percentage of Consideration Issuable in Equity 50.00%