Quarterly Results (Unaudited) - Quarterly Financial Results (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Quarterly Financial Information Disclosure [Abstract]
Net sales	$ 1,837	$ 1,831	$ 1,840	$ 1,701	$ 1,447	$ 1,384	$ 1,546	$ 1,449	$ 7,209	$ 5,826	$ 6,060
Gross margin	254	269	276	263	204	208	233	199
Net income (loss)	(110)	73	73	80	489	61	55	48	116	653	180
Net income (loss) attributable to parent company	$ (104)	$ 69	$ 71	$ 75	$ 485	$ 57	$ 53	$ 45	$ 111	$ 640	$ 159
Net income (loss) per share available to parent company stockholders
Basic	$ (0.74)	$ 0.47	$ 0.48	$ 0.52	$ 3.37	$ 0.40	$ 0.36	$ 0.30	$ 0.72	$ 4.38	$ 1.00
Diluted	$ (0.74)	$ 0.46	$ 0.47	$ 0.51	$ 3.34	$ 0.39	$ 0.36	$ 0.30	$ 0.71	$ 4.36	$ 0.99