Condensed Consolidated Statements of Earnings - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2018	Jul. 31, 2017	Jul. 31, 2018	Jul. 31, 2017
Net revenue:
Products	$ 4,944	$ 4,691	$ 14,414	$ 12,920
Services	2,711	2,708	8,160	8,000
Financing income	109	102	332	291
Total net revenue	7,764	7,501	22,906	21,211
Costs and expenses:
Cost of products	3,515	3,447	10,428	9,329
Cost of services	1,800	1,793	5,436	5,268
Financing interest	69	66	207	197
Research and development	434	390	1,224	1,122
Selling, general and administrative	1,203	1,285	3,632	3,718
Amortization of intangible assets	72	97	222	235
Restructuring charges	2	152	14	304
Transformation costs	131	31	499	31
Acquisition and other related charges	24	56	70	150
Separation costs	(2)	5	0	46
Defined benefit plan settlement charges and remeasurement (benefit)	0	(22)	0	(38)
Total costs and expenses	7,248	7,300	21,732	20,362
Earnings from continuing operations	516	201	1,174	849
Interest and other, net	(64)	(87)	(163)	(251)
Tax indemnification adjustments	2	10	(1,342)	(1)
Earnings (loss) from equity interests	11	1	23	(24)
Earnings (loss) from continuing operations before taxes	465	125	(308)	573
(Provision) benefit for taxes	(13)	160	3,092	(515)
Net earnings from continuing operations	452	285	2,784	58
Net loss from discontinued operations	(1)	(120)	(119)	(238)
Net earnings (loss)	$ 451	$ 165	$ 2,665	$ (180)
Basic
Continuing operations (in dollars per share)	$ 0.30	$ 0.17	$ 1.79	$ 0.04
Discontinued operations (in dollars per share)	0.00	(0.07)	(0.07)	(0.15)
Total basic net earnings (loss) per share (in dollars per share)	0.30	0.10	1.72	(0.11)
Diluted
Continuing operations (in dollars per share)	0.29	0.17	1.76	0.03
Discontinued operations (in dollars per share)	0.00	(0.07)	(0.07)	(0.14)
Total diluted net earnings (loss) per share (in dollars per share)	0.29	0.10	1.69	(0.11)
Cash dividends declared per share (in dollars per share)	$ 0.1125	$ 0.0650	$ 0.3750	$ 0.260
Weighted-average shares used to compute net earnings (loss) per share:
Basic (in shares)	1,513	1,641	1,552	1,656
Diluted (in shares)	1,531	1,667	1,578	1,683