STOCKHOLDERS' EQUITY (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Oct. 02, 2014
Common stock issuances
Balance at the beginning of the year			890,558,000
Issued	1,252,000	843,000	782,000
Options exercised and other, net	2,000	12,000	20,000
Balance at the end of the year	893,469,000
TREASURY STOCK
Share repurchase program, increased authorized shares				60,000,000
Share repurchase program, authorized shares				185,000,000
Shares purchased under share repurchase program	0	0	7,400,000
Share repurchase program, average cost per share of shares repurchased during period			$ 76.99
Treasury stock, shares	128,364,195	127,977,306	127,700,000
NONREDEEMABLE PREFERRED STOCK
Preferred stock, authorized shares	50,000,000	50,000,000	50,000,000
Preferred stock, par value	$ 1.00	$ 1.00	$ 1.00
Preferred stock, outstanding shares	0	0	0
Basic EPS
Income (loss) from continuing operations	$ 1,311	$ (1,002)	$ (8,146)
Income (loss) from continuing operations attributable to common stock	1,311	(1,002)	(8,146)
Income from discontinued operations		428	317
NET INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCK	1,311	(574)	(7,829)
Less: Net income allocated to participating securities	(6)
Net income (loss), net of participating securities	$ 1,305	$ (574)	$ (7,829)
Weighted average number of basic shares	765,100,000	763,800,000	765,600,000
Basic earnings (loss) per common share	$ 1.71	$ (0.75)	$ (10.23)
Diluted EPS
Net income (loss), net of participating securities	$ 1,305	$ (574)	$ (7,829)
Weighted average number of basic shares	765,100,000	763,800,000	765,600,000
Dilutive securities	800,000
Total diluted weighted average common shares	765,900,000	763,800,000	765,600,000
Diluted earnings (loss) per common share	$ 1.70	$ (0.75)	$ (10.23)
ACCUMULATED OTHER COMPREHENSIVE LOSS
Foreign currency translation adjustments	$ (7)	$ (10)
Unrealized losses on derivatives		(13)
Pension and postretirement adjustments	(251)	(243)
Total	$ (258)	$ (266)