XML 75 R55.htm IDEA: XBRL DOCUMENT v3.7.0.1
Related Party Transactions (Details) - USD ($)
$ in Millions
3 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Oct. 31, 2014
Related Party Transaction [Line Items]      
Document Period End Date Jun. 30, 2017    
Line of Credit [Member] | Brightstar [Member]      
Related Party Transaction [Line Items]      
Line of Credit Facility, Maximum Borrowing Capacity     $ 700
Brightstar [Member]      
Related Party Transaction [Line Items]      
Related Party Transaction, Expenses from Transactions with Related Party $ 23 $ 19