Quarterly Results (Unaudited)

12 Months Ended

Mar. 31, 2017

Quarterly Financial Information Disclosure [Abstract]

Quarterly Results (Unaudited)

QUARTERLY RESULTS (UNAUDITED)

The tables below present select operating results (in millions) by period:

	(Unaudited) Quarter Ended
	June 30, 2016			September 30, 2016			December 31, 2016			March 31, 2017
Net sales	$	2,296		$	2,361		$	2,313		$	2,621
Cost of goods sold (exclusive of depreciation and amortization)	1,930			1,980			1,924			2,182
Selling, general and administrative expenses	92			108			103			118
Depreciation and amortization	89			90			88			93
Interest expense and amortization of debt issuance costs	83			81			67			63
Research and development expenses	13			14			14			17
Gain on assets held for sale, net	(1		)	(1		)	—			—
Loss on extinguishment of debt	—			112			—			22
Restructuring and impairment, net	2			1			1			6
Equity in net loss of non-consolidated affiliates	—			—			8			—
Other expense (income), net	28			38			(3		)	32
Income tax provision	36			27			47			41
Net income (loss)	24			(89		)	64			47
Net income attributable to noncontrolling interests	—			—			1			—
Net income (loss) attributable to our common shareholder	$	24		$	(89	)	$	63		$	47

	(Unaudited) Quarter Ended
	June 30, 2015			September 30, 2015			December 31, 2015			March 31, 2016
Net sales	$	2,634		$	2,482		$	2,354		$	2,402
Cost of goods sold (exclusive of depreciation and amortization)	2,400			2,241			2,051			2,035
Selling, general and administrative expenses	100			100			104			103
Depreciation and amortization	87			89			88			89
Interest expense and amortization of debt issuance costs	80			82			82			83
Research and development expenses	13			13			13			15
Loss on extinguishment of debt	13			—			—			—
Restructuring and impairment, net	15			4			10			19
Equity in net loss of non-consolidated affiliates	1			1			—			1
Other (income) expense, net	(30		)	(32		)	(16		)	10
Income tax provision (benefit)	15			(3		)	16			18
Net (loss) income	(60		)	(13		)	6			29
Net income attributable to noncontrolling interests	—			—			—			—
Net (loss) income attributable to our common shareholder	$	(60	)	$	(13	)	$	6		$	29