Annual report pursuant to Section 13 and 15(d)

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

v3.3.1.900
Investments In Affiliates Accounted For Using The Equity Method (Details) - USD ($)
$ / shares in Units, $ in Millions
 1 Months Ended 12 Months Ended 14 Months Ended 16 Months Ended
Jan. 18, 2013
Sep. 30, 2015
Sep. 30, 2014
May. 31, 2013
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Oct. 31, 2015
Dec. 31, 2015
May. 01, 2013
Schedule of Equity Method Investments [Line Items]                    
Payments for (Proceeds from) Derivative Instrument, Investing Activities         $ 322 $ 72 $ 59      
Payments to Acquire Equity Method Investments       $ 1,200            
Losses (gains) on dilution of investment in affiliate         $ 1 $ 78 $ 93      
Live Nation                    
Schedule of Equity Method Investments [Line Items]                    
Purchase of shares in equity method investee           1,700,000 1,700,000      
Payments to Acquire Equity Method Investments           $ 39 $ 19      
Equity Method Investment, Ownership Percentage         35.00%       35.00%  
Live Nation | Margin loan                    
Schedule of Equity Method Investments [Line Items]                    
Shares pledged as collateral under loan       8,100,000            
Live Nation | Forward Contracts                    
Schedule of Equity Method Investments [Line Items]                    
Maximum shares to be purchased     15,900,000         15,900,000    
Weighted average stock price shares purchased by counterparty   24.93                
Payments for (Proceeds from) Derivative Instrument, Investing Activities                 $ 396  
SIRIUS XM                    
Schedule of Equity Method Investments [Line Items]                    
Purchase of shares in equity method investee 50,000,000                  
SIRIUS XM | Margin loan                    
Schedule of Equity Method Investments [Line Items]                    
Shares pledged as collateral under loan       720,000,000            
Sirius XM Canada                    
Schedule of Equity Method Investments [Line Items]                    
Equity Method Investment, Ownership Percentage         37.00%       37.00%  
Sirius XM Canada | Minimum                    
Schedule of Equity Method Investments [Line Items]                    
Royalty rate         10.00%       10.00%  
Sirius XM Canada | Maximum                    
Schedule of Equity Method Investments [Line Items]                    
Royalty rate         15.00%       15.00%  
Charter Communications                    
Schedule of Equity Method Investments [Line Items]                    
Purchase of shares in equity method investee       26,900,000            
excess amortization in share of earnings (loss)           60 51      
Warrants acquired       1,100,000            
Equity Method Investment, Aggregate Cost                   $ 2,600
Equity Method Investment, Ownership Percentage       27.00%            
Price-per-share                   $ 95.50
Equity method investment, cash paid for acquisition       $ 1,200            
Equity Method Investment, Difference Between Carrying Amount and Underlying Equity       $ 2,500            
Losses (gains) on dilution of investment in affiliate           72 93      
Charter Communications | Margin loan                    
Schedule of Equity Method Investments [Line Items]                    
Shares pledged as collateral under loan       20,300,000            
SIRIUS XM | Sirius XM Canada                    
Schedule of Equity Method Investments [Line Items]                    
Due from Related Parties         $ 6 7     $ 6  
Due to Related Parties         14 18     $ 14  
Revenue from Related Parties         56 50 49      
SIRIUS XM | Sirius XM Canada                    
Schedule of Equity Method Investments [Line Items]                    
Proceeds from Equity Method Investment, Dividends or Distributions         $ 16 $ 43 $ 17      
Deferred revenue | SIRIUS XM                    
Schedule of Equity Method Investments [Line Items]                    
Obligations, Fair Value Disclosure $ 21