CONDENSED CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (LOSS) (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2018	Jan. 31, 2017
Net income (loss)	$ (320)	$ 168
Other comprehensive income (loss):
Unrealized gain (loss) on derivative instruments, net of tax expense (benefit) of $(3)and $1	(7)	1
Amounts reclassified into earnings related to derivative instruments, net of tax expense (benefit) of $0, and $(1)	0	0
Foreign currency translation, net of tax expense (benefit) of $0 and $(1)	79	(3)
Net defined benefit pension cost and post retirement plan costs:
Change in actuarial net loss, net of tax expense of $2 and $8	6	17
Change in net prior service benefit, net of tax benefit of $(1) and $(1)	(1)	(1)
Other comprehensive income	77	14
Total comprehensive income (loss)	$ (243)	$ 182