Condensed Consolidating Guarantor and Non-Guarantor Financial Information - Statement of Comprehsive Income (Details) - USD ($) $ 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
Cost of Goods Sold									$ 7,037	$ 6,812	$ 8,670
Net income (loss)	$ 135	$ 37	$ (80)	$ (62)	$ (34)	$ (34)	$ 4	$ (33)	55	(65)	(151)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Foreign currency translation adjustment									(3)	7	(160)
Defined benefit plans (net of tax of $0, for all entities)									433	(46)	(178)
Other Comprehensive Income (Loss), Net of Tax									429	(39)	(338)
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest									484	(104)	(489)
Less: Net income attributable to non-controlling interests									25	32	33
Comprehensive Income (Loss), Net of Tax, Attributable to Parent									459	(136)	(522)
Parent Company [Member]
Cost of Goods Sold									0	0	0
Net income (loss)									30	(97)	(184)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Foreign currency translation adjustment									(3)	7	(160)
Defined benefit plans (net of tax of $0, for all entities)									433	(46)	(178)
Other Comprehensive Income (Loss), Net of Tax									429	(39)	(338)
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest									459	(136)	(522)
Less: Net income attributable to non-controlling interests									0	0	0
Comprehensive Income (Loss), Net of Tax, Attributable to Parent									459	(136)	(522)
Guarantor Subsidiaries [Member]
Cost of Goods Sold									5,412	5,358	6,614
Net income (loss)									(26)	(107)	(238)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Foreign currency translation adjustment									0	0	0
Defined benefit plans (net of tax of $0, for all entities)									372	1	(192)
Other Comprehensive Income (Loss), Net of Tax									372	1	(192)
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest									346	(106)	(430)
Less: Net income attributable to non-controlling interests									0	0	0
Comprehensive Income (Loss), Net of Tax, Attributable to Parent									346	(106)	(430)
Non-Guarantor Subsidiaries [Member]
Cost of Goods Sold									4,966	4,628	6,510
Net income (loss)									387	330	414
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Foreign currency translation adjustment									(3)	7	(160)
Defined benefit plans (net of tax of $0, for all entities)									61	(47)	14
Other Comprehensive Income (Loss), Net of Tax									58	(40)	(146)
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest									445	290	268
Less: Net income attributable to non-controlling interests									25	32	33
Comprehensive Income (Loss), Net of Tax, Attributable to Parent									420	258	235
Consolidation, Eliminations [Member]
Cost of Goods Sold									(3,341)	(3,174)	(4,454)
Net income (loss)									(336)	(191)	(143)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Foreign currency translation adjustment									3	(7)	160
Defined benefit plans (net of tax of $0, for all entities)									(433)	46	178
Other Comprehensive Income (Loss), Net of Tax									(430)	39	338
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest									(766)	(152)	195
Less: Net income attributable to non-controlling interests									0	0	0
Comprehensive Income (Loss), Net of Tax, Attributable to Parent									$ (766)	$ (152)	$ 195