Quarterly report pursuant to Section 13 or 15(d)

Debt (Details)

v3.4.0.3
Debt (Details) - $1.25 billion margin loan due 2016
shares in Millions, $ in Millions
Mar. 31, 2016
USD ($)
shares
SIRIUS XM  
Debt Instrument [Line Items]  
Shares pledged as collateral under loan | shares 145.4
Share value | $ $ 574
Live Nation  
Debt Instrument [Line Items]  
Shares pledged as collateral under loan | shares 4.2
Share value | $ $ 95