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