Quarterly Results (Unaudited) - Quarterly Financial Results (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Quarterly Financial Information Disclosure [Abstract]
Net sales	$ 1,973	$ 1,978	$ 2,054	$ 2,138	$ 1,837	$ 1,831	$ 1,840	$ 1,701	$ 8,143	$ 7,209	$ 5,826
Gross margin	256	286	308	307	256	269	277	264
Net income (loss)	106	96	127	111	(110)	73	73	80	440	116	653
Net income (loss) attributable to parent company	$ 100	$ 95	$ 124	$ 108	$ (104)	$ 69	$ 71	$ 75	$ 427	$ 111	$ 640
Net income (loss) per share available to parent company stockholders
Basic	$ 0.69	$ 0.66	$ 0.85	$ 0.74	$ (0.74)	$ 0.47	$ 0.48	$ 0.52	$ 2.94	$ 0.72	$ 4.38
Diluted	$ 0.69	$ 0.65	$ 0.85	$ 0.73	$ (0.74)	$ 0.46	$ 0.47	$ 0.51	$ 2.91	$ 0.71	$ 4.36