Interest Expense, net (Tables)

12 Months Ended

Dec. 31, 2016

Interest Income (Expense), Net [Abstract]

Schedule of Interest Expense

Components of net interest expense were as follows:

	Successor								Predecessor
	Twelve Months Ended December 31, 2016			Twelve Months Ended December 31, 2015			September 1, 2014 through December 31, 2014		January 1, 2014 through August 31, 2014
	(in millions)
Interest expense	$	152		$	64		$	8	$	5
Amortization of deferred financing fees	11			4			2		—
Interest income	(3		)	(2		)	—		—
Interest expense, net	$	160		$	66		$	10	$	5