Consolidated Statements of Operations - USD ($) shares in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Statement [Abstract]
Net sales	$ 1,902,000,000	$ 2,228,000,000	$ 2,322,000,000
Cost of sales	(1,591,000,000)	(1,798,000,000)	(1,857,000,000)
Gross profit	311,000,000	430,000,000	466,000,000
Selling, general and administrative expenses	(189,000,000)	(156,000,000)	(110,000,000)
Research, development and engineering expenses, net	(562,000,000)	(466,000,000)	(375,000,000)
Goodwill impairment charge	0	0	(234,000,000)
Amortization of intangibles	(20,000,000)	(23,000,000)	(37,000,000)
Other income, net	0	18,000,000	8,000,000
Operating loss	(460,000,000)	(197,000,000)	(283,000,000)
Loss from equity method investment	(70,000,000)	(63,000,000)	(31,000,000)
Interest income	20,000,000	7,000,000	0
Interest expense	(12,000,000)	(1,000,000)	0
Other non-operating items, net	1,000,000	0	(1,000,000)
Loss before income taxes	(521,000,000)	(253,000,000)	(314,000,000)
Income tax expense	(1,000,000)	(42,000,000)	(30,000,000)
Net loss	(522,000,000)	(294,000,000)	(344,000,000)
Less: Net loss attributable to non-controlling interest	$ (22,000,000)	$ (19,000,000)	$ (127,000,000)
Net loss per share - basic (in dollars per share)	$ (4.92)	$ (3.17)	$ (2.49)
Net loss per share - diluted (in dollars per share)	$ (4.92)	$ (3.17)	$ (2.49)
Weighted average number of shares outstanding, (in millions) (in shares)	101,620	87,160	87,130
Weighted average number of shares outstanding, assuming dilution (in millions) (in shares)	101,620	87,160	87,130