SELECTED QUARTERLY FINANCIAL INFORMATION (unaudited) - Key Quarterly Financial Data (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Quarterly Financial Information Disclosure [Abstract]
Net sales	$ 1,548	$ 1,671	$ 1,692	$ 1,643	$ 1,636	$ 1,910	$ 2,065	$ 1,865	$ 6,554	$ 7,476	$ 7,196
Operating income	89	202	186	174	177	337	476	404	651	1,394	1,131
Earnings (loss) before income taxes	(13)	102	91	(393)	(114)	240	382	299	(213)	807	716
Net earnings (loss)	$ (14)	$ 99	$ 128	$ (289)	$ (93)	$ 255	$ 317	$ 269	$ (76)	$ 748	$ 582
Basic and diluted net earnings (loss) per share	$ (0.02)	$ 0.13	$ 0.17	$ (0.39)	$ (0.12)	$ 0.34	$ 0.42	$ 0.35	$ (0.10)	$ 0.99
Dividends paid per share	$ 0.34	$ 0.34	$ 0.34	$ 0.34	$ 0.34	$ 0.34	$ 0.32	$ 0.32	$ 1.36	$ 1.32	$ 1.25