XML 42 R21.htm IDEA: XBRL DOCUMENT v3.8.0.1
Interest Expense, net
 12 Months Ended
Dec. 31, 2017
Interest Income (Expense), Net [Abstract]  
Interest Expense, net
Interest Expense, net
Components of net interest expense were as follows:
 
Year Ended December 31, 2017
 
Year Ended December 31, 2016
 
Year Ended December 31, 2015
 
(in millions)
Interest expense
$
195

 
$
153

 
$
65

Amortization of deferred financing fees
15

 
11

 
4

Interest income
(1
)
 
(3
)
 
(2
)
Interest expense, net
$
209

 
$
161

 
$
67