Annual report pursuant to Section 13 and 15(d)

Debt (Details)

v3.3.1.900
Debt (Details)
 1 Months Ended 3 Months Ended 8 Months Ended 9 Months Ended 12 Months Ended 20 Months Ended
Oct. 17, 2013
USD ($)
$ / shares
$ / item
shares
Apr. 30, 2013
USD ($)
Oct. 31, 2015
USD ($)
Oct. 31, 2014
USD ($)
May. 31, 2013
USD ($)
Dec. 31, 2012
USD ($)
Aug. 31, 2008
USD ($)
$ / shares
Dec. 31, 2013
USD ($)
$ / shares
Dec. 31, 2013
Dec. 31, 2013
Dec. 31, 2015
USD ($)
item
$ / shares
shares
Dec. 31, 2014
USD ($)
$ / shares
$ / item
shares
Dec. 31, 2013
USD ($)
item
Dec. 31, 2014
USD ($)
$ / shares
$ / item
shares
Jun. 30, 2015
USD ($)
Mar. 31, 2015
USD ($)
Sep. 30, 2013
USD ($)
Aug. 31, 2013
USD ($)
May. 01, 2013
USD ($)
Aug. 31, 2012
USD ($)
Debt Instrument [Line Items]                                        
Long-term Debt                     $ 6,896,000,000 $ 5,852,000,000   $ 5,852,000,000            
Warrant expiration period                     81 days                  
Borrowings of debt                     $ 2,213,000,000 2,758,000,000 $ 5,923,000,000              
Proceeds from Issuance of Warrants               $ 170,000,000         170,000,000              
Repayments of Long-term Debt                     1,196,000,000 1,936,000,000 $ 2,779,000,000              
Number of margin loans | item                         3              
Sirius XM Senior Secured Revolving Credit Facility                                        
Debt Instrument [Line Items]                                        
Long-term Debt                     340,000,000 $ 380,000,000   $ 380,000,000            
Line of Credit Facility, Remaining Borrowing Capacity                     $ 1,400,000,000                  
Debt Instrument, Term           5 years                            
Line of Credit Facility, Maximum Borrowing Capacity           $ 1,250,000,000                            
1.375% Cash Convertible Senior Notes due 2023                                        
Debt Instrument [Line Items]                                        
Debt face amount $ 1,000,000,000                                      
Debt Instrument, Interest Rate, Stated Percentage                     1.375%                  
Debt instrument, face amount per debenture $ 1,000                                      
Debt Instrument, Convertible, Threshold Trading Days | item                     20                  
Debt Instrument, Convertible, Threshold Consecutive Trading Days                     30 days                  
Debt instrument, convertible, threshold percentage of conversion price to stock price trigger                     130.00%                  
Number of business days in measurement period                     5 days                  
Number of consecutive trading days in measurement period.                     5 days                  
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger                     98.00%                  
Proceeds from (Payments for) Other Financing Activities               871,000,000                        
$1 billion margin loan due 2014 | Term loan                                        
Debt Instrument [Line Items]                                        
Borrowings of debt   $ 250,000,000                                    
Debt Instrument, Description of Variable Rate Basis                   LIBOR                    
Debt Instrument, Basis Spread on Variable Rate                 2.00%                      
$1 billion margin loan due 2014 | Revolving Credit Facility                                        
Debt Instrument [Line Items]                                        
Borrowings of debt   $ 450,000,000                                    
Repayments of Long-term Debt               $ 200,000,000         $ 450,000,000              
$1 billion margin loan due 2015                                        
Debt Instrument [Line Items]                                        
Debt Instrument, Description of Variable Rate Basis       LIBOR                                
$1 billion margin loan due 2015 | Term loan                                        
Debt Instrument [Line Items]                                        
Debt face amount       $ 250,000,000                                
$1 billion margin loan due 2015 | Revolving Credit Facility                                        
Debt Instrument [Line Items]                                        
Debt face amount       $ 750,000,000                                
Interest rate at year end                       1.98%   1.98%            
Debt instrument, unused borrowing capacity, fee, percent       0.75%                                
$1.25 billion margin loan due 2016                                        
Debt Instrument [Line Items]                                        
Debt Instrument, Description of Variable Rate Basis     LIBOR                                  
Interest rate at year end                     2.07%                  
$1.25 billion margin loan due 2016 | Term loan                                        
Debt Instrument [Line Items]                                        
Debt face amount     $ 250,000,000                                  
$1.25 billion margin loan due 2016 | Revolving Credit Facility                                        
Debt Instrument [Line Items]                                        
Debt face amount     $ 1,000,000,000                                  
Debt instrument, unused borrowing capacity, fee, percent     0.75%                                  
Line of Credit Facility, Remaining Borrowing Capacity                     $ 1,000,000,000                  
$670 million margin loan due 2015                                        
Debt Instrument [Line Items]                                        
Debt face amount                                     $ 670,000,000  
Repayments of Long-term Debt                       $ 670,000,000                
Debt Instrument, Description of Variable Rate Basis                     three-month LIBOR                  
Debt Instrument, Basis Spread on Variable Rate                           3.25%            
Sirius XM 7% Exchangeable Senior Subordinated Notes due 2014                                        
Debt Instrument [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 5.25% Senior Secured Notes due 2022                                        
Debt Instrument [Line Items]                                        
Debt face amount                                       $ 400,000,000
Debt Instrument, Interest Rate, Stated Percentage                     5.25%                  
Sirius XM Senior Secured Revolving Credit Facility                                        
Debt Instrument [Line Items]                                        
Interest rate at year end                     2.42%                  
Debt instrument, unused borrowing capacity, fee, percent                     0.30%                  
Line of Credit Facility, Maximum Borrowing Capacity                             $ 1,750,000,000          
Sirius XM Senior Notes due 2020 and 2023                                        
Debt Instrument [Line Items]                                        
Borrowings of debt         $ 989,000,000                              
Sirius XM 4.25% Senior Notes due 2020                                        
Debt Instrument [Line Items]                                        
Debt Instrument, Interest Rate, Stated Percentage                     4.25%                  
Sirius XM 4.25% Senior Notes due 2020 | Senior Notes                                        
Debt Instrument [Line Items]                                        
Debt face amount         500,000,000                              
Sirius XM 4.625% Senior Notes due 2023                                        
Debt Instrument [Line Items]                                        
Debt face amount         $ 500,000,000                              
Debt Instrument, Interest Rate, Stated Percentage                     4.625%                  
Debt Instrument, Basis Spread on Variable Rate                     4.625%                  
Sirius XM 5.75% Senior Notes due 2021                                        
Debt Instrument [Line Items]                                        
Debt face amount                                   $ 600,000,000    
Long-term Debt                                   $ 594,000,000    
Debt Instrument, Interest Rate, Stated Percentage                     5.75%                  
Sirius XM 5.875% Senior Notes due 2020                                        
Debt Instrument [Line Items]                                        
Debt face amount                                 $ 650,000,000      
Long-term Debt                                 $ 643,000,000      
Debt Instrument, Interest Rate, Stated Percentage                     5.875%                  
Sirius XM 5.375% Senior Notes Due 2025                                        
Debt Instrument [Line Items]                                        
Debt face amount                               $ 1,000,000,000        
Debt discount                               $ 11,000,000        
Debt Instrument, Interest Rate, Stated Percentage                     5.375%                  
Common Class A                                        
Debt Instrument [Line Items]                                        
Investment Warrants, Exercise Price | $ / shares               $ 255.64                        
Common Class A | 1.375% Cash Convertible Senior Notes due 2023                                        
Debt Instrument [Line Items]                                        
Debt Instrument, Convertible, Conversion Ratio 5.5882                                      
conversion price for exchangeable debt | $ / shares $ 178.95                                      
Minimum | $1 billion margin loan due 2015                                        
Debt Instrument [Line Items]                                        
Debt Instrument, Basis Spread on Variable Rate       1.75%                                
Minimum | $1.25 billion margin loan due 2016                                        
Debt Instrument [Line Items]                                        
Debt Instrument, Basis Spread on Variable Rate     1.75%                                  
Maximum | $1 billion margin loan due 2015                                        
Debt Instrument [Line Items]                                        
Debt Instrument, Basis Spread on Variable Rate       2.50%                                
Maximum | $1.25 billion margin loan due 2016                                        
Debt Instrument [Line Items]                                        
Debt Instrument, Basis Spread on Variable Rate     2.25%                                  
SIRIUS XM | $1.25 billion margin loan due 2016                                        
Debt Instrument [Line Items]                                        
Shares released as collateral under loan     $ 4,600,000                                  
Live Nation | $1.25 billion margin loan due 2016                                        
Debt Instrument [Line Items]                                        
Shares released as collateral under loan     $ 7,800,000                                  
SIRIUS XM | Sirius XM 7% Exchangeable Senior Subordinated Notes due 2014                                        
Debt Instrument [Line Items]                                        
Debt Conversion of a Consolidated Subsidiary, Shares received upon maturity of exchangeable note | shares                       5,974,510   5,974,510            
SIRIUS XM | Sirius XM 7% Exchangeable Senior Subordinated Notes due 2014                                        
Debt Instrument [Line Items]                                        
Debt Conversion, Converted Instrument, Shares Issued | shares                       272,855,859                
Adjustments Due To Issuance Of Series C Common Stock and Liberty Broadband Spin Off | Common Class A | 1.375% Cash Convertible Senior Notes due 2023                                        
Debt Instrument [Line Items]                                        
Debt Instrument, Convertible, Conversion Ratio                       21.0859                
Debt instrument, face amount per debenture                       $ 1,000   $ 1,000            
conversion price for exchangeable debt | $ / shares                       $ 47.43   $ 47.43            
1.375% Convertible Notes Bond Hedge Transaction                                        
Debt Instrument [Line Items]                                        
Derivative, Price Risk Option Strike Price | $ / item 178.95                                      
Payments for Derivative Instrument, Financing Activities $ 299,000,000                                      
1.375% Convertible Notes Bond Hedge Transaction | Common Class A                                        
Debt Instrument [Line Items]                                        
Forward contract, number of underlying shares | shares 5,588,200                                      
1.375% Convertible Notes Bond Hedge Transaction | Adjustments Due To Issuance Of Series C Common Stock and Liberty Broadband Spin Off                                        
Debt Instrument [Line Items]                                        
Derivative, Price Risk Option Strike Price | $ / item                       47.43   47.43            
1.375% Convertible Notes Bond Hedge Transaction | Adjustments Due To Issuance Of Series C Common Stock and Liberty Broadband Spin Off | Common Class A                                        
Debt Instrument [Line Items]                                        
Forward contract, number of underlying shares | shares                       21,085,900                
Common Class A                                        
Debt Instrument [Line Items]                                        
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares $ 255.64                   $ 64.46                  
Class of Warrant or Right, Outstanding | shares                     21,085,900                  
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares $ 255.64                   $ 64.46                  
Common Class A | Adjustments Due To Issuance Of Series C Common Stock and Liberty Broadband Spin Off                                        
Debt Instrument [Line Items]                                        
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares                       $ 64.46   $ 64.46            
Class of Warrant or Right, Outstanding | shares                       21,085,900   21,085,900            
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares                       $ 64.46   $ 64.46