Annual report pursuant to Section 13 and 15(d)

Sirius XM Transactions (Details)

v3.3.1.900
Sirius XM Transactions (Details)
1 Months Ended 3 Months Ended 12 Months Ended 15 Months Ended
Dec. 31, 2015
$ / shares
Nov. 04, 2013
USD ($)
Jan. 18, 2013
USD ($)
item
$ / shares
shares
Aug. 31, 2008
USD ($)
$ / shares
Dec. 31, 2013
USD ($)
shares
Mar. 31, 2013
USD ($)
Dec. 31, 2015
USD ($)
$ / shares
shares
Dec. 31, 2014
USD ($)
$ / shares
shares
Dec. 31, 2013
USD ($)
shares
Dec. 31, 2014
USD ($)
$ / shares
shares
Business Acquisition [Line Items]                    
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net         $ (10,372,000,000)       $ (10,372,000,000)  
Preferred Stock, Par or Stated Value Per Share | $ / shares $ 0.01           $ 0.01 $ 0.01   $ 0.01
Stock Repurchased and Retired During Period, Shares | shares             9,200,000 0    
Payments for Repurchase of Common Stock             $ 350,000,000   $ 140,000,000  
Sirius XM 7% Exchangeable Senior Subordinated Notes due 2014                    
Business Acquisition [Line Items]                    
Debt face amount       $ 550,000,000            
Debt Instrument, Interest Rate, Stated Percentage       7.00%            
Debt Instrument, Convertible, Conversion Ratio       543.1372            
Debt instrument, face amount per debenture       $ 1,000            
conversion price for exchangeable debt | $ / shares       $ 1.841            
Debt Conversion, Converted Instrument, Amount               $ 502,000,000    
SIRIUS XM                    
Business Acquisition [Line Items]                    
Common Stock, Par or Stated Value Per Share | $ / shares     $ 0.001              
Business Acquisition, Share Price | $ / shares     $ 3.1556              
Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain           $ 7,500,000,000        
Business Combination, Step Acquisition, Equity Interest in Acquiree, Fair Value     $ 10,215,000,000              
Initial noncontrolling interest     $ 10,286,000,000              
SIRIUS XM | Maximum                    
Business Acquisition [Line Items]                    
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners     50.00%              
SIRIUS XM                    
Business Acquisition [Line Items]                    
Number of Transactions | item     2              
Purchase of shares in equity method investee | shares     50,000,000              
Preferred Stock, Par or Stated Value Per Share | $ / shares     $ 0.001              
Convertible Preferred Stock, Shares Issued upon Conversion | shares     1,293,509,076              
Ownership percentage 61.00%                  
SIRIUS XM | Sirius XM 7% Exchangeable Senior Subordinated Notes due 2014                    
Business Acquisition [Line Items]                    
Debt Conversion of a Consolidated Subsidiary, Shares received upon maturity of exchangeable note | shares               5,974,510   5,974,510
SIRIUS XM | Minimum                    
Business Acquisition [Line Items]                    
Ownership percentage     50.00%              
SIRIUS XM                    
Business Acquisition [Line Items]                    
Stock Repurchased and Retired During Period, Shares | shares             524,200,000 423,000,000 476,500,000  
Payments for Repurchase of Common Stock             $ 2,000,000,000 $ 1,400,000,000 $ 1,600,000,000  
SIRIUS XM | Sirius XM 7% Exchangeable Senior Subordinated Notes due 2014                    
Business Acquisition [Line Items]                    
Debt Conversion, Converted Instrument, Shares Issued | shares               272,855,859    
SIRIUS XM | Agero                    
Business Acquisition [Line Items]                    
Business Acquisition, Cost of Acquired Entity, Purchase Price   $ 525,000,000                
SIRIUS XM | Sirius XM Liberty Repurchase Agreement                    
Business Acquisition [Line Items]                    
Stock Repurchased and Retired During Period, Shares | shares         43,700,000         136,600,000
Payments for Repurchase of Common Stock         $ 160,000,000     $ 340,000,000   $ 500,000,000
SIRIUS XM | SIRIUS XM Accelerated Liberty Share Repurchase Agreements [member]                    
Business Acquisition [Line Items]                    
Stock Repurchased and Retired During Period, Shares | shares               223,200,000    
Payments for Repurchase of Common Stock               $ 756,000,000