Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Income Statement [Abstract]
Net sales	$ 462	$ 526	$ 1,446	$ 1,692
Cost of sales	(389)	(428)	(1,211)	(1,371)
Gross profit	73	99	235	321
Selling, general and administrative expenses	(45)	(44)	(148)	(112)
Research, development and engineering expenses, net	(144)	(109)	(459)	(334)
Amortization of intangibles	(6)	(5)	(17)	(16)
Other income, net	0	1	1	18
Operating loss	(122)	(58)	(388)	(122)
Loss from equity method investment	(16)	(15)	(50)	(45)
Interest income	7	3	14	4
Interest expense	(5)	0	(7)	(1)
Other non-operating items, net	0	1	1	1
Loss before income taxes	(136)	(70)	(430)	(163)
Income tax benefit / (expense)	(3)	(3)	1	(12)
Net loss	(139)	(72)	(429)	(175)
Less: Net loss attributable to non-controlling interest	(6)	(5)	(26)	(13)
Net loss attributable to controlling interest	$ (133)	$ (68)	$ (403)	$ (162)
Net loss per share - basic (in dollars per share)	$ (1.20)	$ (0.78)	$ (4.10)	$ (1.86)
Net loss per share - diluted (in dollars per share)	$ (1.20)	$ (0.78)	$ (4.10)	$ (1.86)
Weighted average number of shares outstanding, (in millions) (in shares)	111,400	87,150	98,320	87,150
Weighted average number of shares outstanding, assuming dilution (in millions) (in shares)	111,400	87,150	98,320	87,150