Debt (Details) - $1.25 billion margin loan due 2016 shares in Millions, $ in Millions |
Sep. 30, 2016
USD ($)
shares
|
|---|---|
| SIRIUS XM | 听 |
| Debt Instrument [Line Items] | 听 |
| Shares pledged as collateral under loan | shares | 145.4 |
| Share value | $ | $ 606 |
| Live Nation | 听 |