CONDENSED CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (LOSS) (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2016	Jul. 31, 2015	Jul. 31, 2016	Jul. 31, 2015
Statement of Comprehensive Income [Abstract]
Net income	$ 124	$ 111	$ 336	$ 261
Other comprehensive income (loss):
Unrealized gain (loss) on derivative instruments, net of tax expense (benefit) of $(4), $2, $(7) and $4	(5)	1	(11)	7
Amounts reclassified into earnings related to derivative instruments, net of tax expense (benefit) of $1, $(2), $0 and $(5)	1	(1)	0	(9)
Foreign currency translation, net of tax expense (benefit) of $(3) $(1), $4 and $(8)	(48)	(66)	41	(337)
Net defined benefit pension cost and post retirement plan costs:
Change in actuarial net loss, net of tax expense of $2, $2, $9 and $6	8	7	29	17
Change in net prior service benefit, net of tax benefit of $(1), $(1), $(7) and $(4)	(2)	(3)	(13)	(8)
Other comprehensive income (loss)	(46)	(62)	46	(330)
Total comprehensive income (loss)	$ 78	$ 49	$ 382	$ (69)