Selected Quarterly Financial Data (unaudited) - Schedule of Selected Quarterly Data (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended								12 Months Ended
	Oct. 31, 2017	Jul. 31, 2017	Apr. 30, 2017	Jan. 31, 2017	Oct. 31, 2016	Jul. 31, 2016	Apr. 30, 2016	Jan. 31, 2016	Oct. 31, 2017	Oct. 31, 2016	Oct. 31, 2015	Oct. 31, 2014
Quarterly Financial Information Disclosure [Abstract]
Sales and revenues, net		$ 2,213	$ 2,096	$ 1,663	$ 2,063	$ 2,086	$ 2,197	$ 1,765	$ 8,570	$ 8,111	$ 10,140
Gross Profit	$ 470	375	287	259	286	295	319	264
Total before tax		36	(80)	(62)	(34)	(34)	4	(33)	54	(65)	(154)
Income from discontinued operations, net of tax		1	0	0	0	0	0	0	1	0	3
Net income (loss)	$ 135	$ 37	$ (80)	$ (62)	$ (34)	$ (34)	$ 4	$ (33)	$ 55	$ (65)	$ (151)
Basic: Loss from Continuing Operations (in dollars per share)	$ 1.37	$ 0.37	$ (0.86)	$ (0.76)	$ (0.42)	$ (0.42)	$ 0.05	$ (0.40)	$ 0.31	$ (1.19)	$ (2.29)
Basic: Income (Loss) from Discontinued Operations (in dollars per share)	0.00	0.01	0.00	0.00	0.00	0.00	0.00	0.00	0.01	0.00	0.04
Basic (in dollars per share)	1.37	0.38	(0.86)	(0.76)	(0.42)	(0.42)	0.05	(0.40)	0.32	(1.19)	(2.25)
Diluted: Loss from Continuing Operations (in dollars per share)	1.36	0.37	(0.86)	(0.76)	(0.42)	(0.42)	0.05	(0.40)	0.31	(1.19)	(2.29)
Diluted: Income (Loss) from Discontinued Operations (in dollars per share)	0.00	0.01	0.00	0.00	0.00	0.00	0.00	0.00	0.01	0.00	0.04
Diluted (in dollars per share)	$ 1.36	$ 0.38	$ (0.86)	$ (0.76)	$ (0.42)	$ (0.42)	$ 0.05	$ (0.40)	$ 0.32	$ (1.19)	$ (2.25)
Basic (in shares)	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	93.0	81.7	81.6
Diluted (in shares)	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	93.5	81.7	81.6
Asset impairment charges									$ 13	$ 27	$ 30
Goodwill	$ 38				$ 38				$ 38	$ 38	$ 38	$ 38