Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Statement Of Income And Comprehensive Income [Abstract]
Net sales	$ 377	$ 737	$ 1,014	$ 1,412
Cost of sales	212	348	523	664
Gross profit	165	389	491	748
Selling, general and administrative	69	93	144	177
Engineering — research and development	38	37	74	68
Operating income	58	259	273	503
Interest expense, net	(33)	(33)	(66)	(69)
Other income, net	5	3	4	6
Income before income taxes	30	229	211	440
Income tax expense	(7)	(48)	(49)	(92)
Net income	$ 23	$ 181	$ 162	$ 348
Basic earnings per share attributable to common stockholders (USD per share)	$ 0.20	$ 1.47	$ 1.42	$ 2.81
Diluted earnings per share attributable to common stockholders (USD per share)	$ 0.20	$ 1.46	$ 1.41	$ 2.78
Comprehensive income, net of tax	$ 19	$ 167	$ 129	$ 331