Condensed Consolidating Guarantor and Non-Guarantor Financial Information - Statement of Comprehsive Income (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2017	Apr. 30, 2016	Apr. 30, 2017	Apr. 30, 2016
Net income (loss)	$ (75)	$ 13	$ (129)	$ (11)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Foreign currency translation adjustment	4	50	(8)	17
Defined benefit plans (net of tax of $0, for all entities)	(34)	(15)	(69)	(48)
Other Comprehensive Income (Loss), Net of Tax	38	65	61	65
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest	(37)	78	(68)	54
Net Income (Loss) Attributable to Noncontrolling Interest	5	9	13	18
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	(42)	69	(81)	36
Parent Company [Member]
Net income (loss)	(80)	4	(142)	(29)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Foreign currency translation adjustment	4	50	(8)	17
Defined benefit plans (net of tax of $0, for all entities)	(34)	(15)	(69)	(48)
Other Comprehensive Income (Loss), Net of Tax	38	65	61	65
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest	(42)	69	(81)	36
Net Income (Loss) Attributable to Noncontrolling Interest	0	0	0	0
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	(42)	69	(81)	36
Guarantor Subsidiaries [Member]
Net income (loss)	(72)	(18)	(109)	(94)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Foreign currency translation adjustment	0	0	0	0
Defined benefit plans (net of tax of $0, for all entities)	(33)	(31)	(66)	(63)
Other Comprehensive Income (Loss), Net of Tax	33	31	66	63
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest	(39)	13	(43)	(31)
Net Income (Loss) Attributable to Noncontrolling Interest	0	0	0	0
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	(39)	13	(43)	(31)
Non-Guarantor Subsidiaries [Member]
Net income (loss)	69	134	99	190
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Foreign currency translation adjustment	4	50	(8)	17
Defined benefit plans (net of tax of $0, for all entities)	(1)	16	(3)	15
Other Comprehensive Income (Loss), Net of Tax	5	34	(5)	2
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest	74	168	94	192
Net Income (Loss) Attributable to Noncontrolling Interest	5	9	13	18
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	69	159	81	174
Consolidation, Eliminations [Member]
Net income (loss)	8	(107)	23	(78)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Foreign currency translation adjustment	(4)	(50)	8	(17)
Defined benefit plans (net of tax of $0, for all entities)	34	15	69	48
Other Comprehensive Income (Loss), Net of Tax	(38)	(65)	(61)	(65)
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest	(30)	(172)	(38)	(143)
Net Income (Loss) Attributable to Noncontrolling Interest	0	0	0	0
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	$ (30)	$ (172)	$ (38)	$ (143)