Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Income Statement [Abstract]
Net sales	$ 371	$ 462	$ 918	$ 1,446
Cost of sales	(317)	(389)	(808)	(1,211)
Gross profit	54	73	110	235
Selling, general and administrative expenses	(43)	(45)	(124)	(148)
Research, development and engineering expenses, net	(124)	(144)	(299)	(459)
Amortization of intangibles	(1)	(6)	(4)	(17)
Other income, net	11	0	27	1
Operating loss	(103)	(122)	(290)	(388)
Loss on divestiture and assets impairment charge, net	(24)	0	(91)	0
Loss from equity method investment	(1)	(16)	(39)	(50)
Interest income	1	7	8	14
Interest expense	(5)	(5)	(15)	(7)
Other non-operating items, net	0	0	0	1
Loss before income taxes	(132)	(136)	(427)	(430)
Income tax expense (benefit)	0	(3)	(26)	1
Net loss	(132)	(139)	(453)	(429)
Less: Net income (loss) attributable to non-controlling interest	0	(6)	1	(26)
Net loss attributable to controlling interest	$ (132)	$ (133)	$ (454)	$ (403)
Net loss per share - basic and diluted (in dollars per share)	$ (1.18)	$ (1.20)	$ (4.07)	$ (4.10)
Weighted average number of shares outstanding, (in millions) (in shares)	111,590	111,400	111,550	98,320
Weighted average number of shares outstanding, assuming dilution (in millions) (in shares)	111,590	111,400	111,550	98,320