Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation (Details)

v3.5.0.2
Basis of Presentation (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Liberty        
Related Party Transaction, Amounts of Transaction $ 1 $ 1 $ 1 $ 1