Condensed Consolidated Statements of Earnings - USD ($) shares in Millions, $ in Millions		3 Months Ended		9 Months Ended
		Jul. 31, 2017	Jul. 31, 2016	Jul. 31, 2017	Jul. 31, 2016
Net revenue:
Products		$ 4,854	$ 4,578	$ 13,279	$ 14,652
Services		3,253	3,333	9,640	10,124
Financing income		102	94	291	270
Total net revenue		8,209	8,005	23,210	25,046
Costs and expenses:
Cost of products		3,472	3,045	9,276	9,745
Cost of services		1,958	1,980	5,774	6,029
Financing interest		66	64	197	183
Research and development		508	551	1,475	1,754
Selling, general and administrative		1,512	1,575	4,415	4,899
Amortization of intangible assets		132	111	340	331
Restructuring charges		165	93	399	346
Transformation costs		31	0	31	0
Acquisition and other related charges		56	34	151	114
Separation costs		186	76	412	246
Defined benefit plan settlement charges and remeasurement (benefit)	[1]	(24)	0	(45)	0
Gain on H3C divestiture		0	(2,169)	0	(2,169)
Total costs and expenses		8,062	5,360	22,425	21,478
Earnings from continuing operations		147	2,645	785	3,568
Interest and other, net		(97)	(69)	(260)	(195)
Tax indemnification adjustments		10	60	(1)	6
Earnings (loss) from equity interests		1	(72)	(24)	(72)
Earnings from continuing operations before taxes		61	2,564	500	3,307
Benefit (provision) for taxes		187	(107)	(484)	(166)
Net earnings from continuing operations		248	2,457	16	3,141
Net loss from discontinued operations		(83)	(185)	(196)	(282)
Net earnings (loss)		$ 165	$ 2,272	$ (180)	$ 2,859
Basic
Continuing operations (in dollars per share)		$ 0.15	$ 1.46	$ 0.01	$ 1.82
Discontinued operations (in dollars per share)		(0.05)	(0.11)	(0.12)	(0.16)
Total basic net earnings (loss) per share (in dollars per share)		0.10	1.35	(0.11)	1.66
Diluted
Continuing operations (in dollars per share)		0.15	1.43	0.01	1.80
Discontinued operations (in dollars per share)		(0.05)	(0.11)	(0.12)	(0.16)
Total diluted net earnings (loss) per share (in dollars per share)		0.10	1.32	(0.11)	1.64
Cash dividends declared per share (in dollars per share)		$ 0.065	$ 0.055	$ 0.26	$ 0.22
Weighted-average shares used to compute net earnings (loss) per share:
Basic (in shares)		1,641	1,681	1,656	1,722
Diluted (in shares)		1,667	1,715	1,683	1,748

[1] Represents adjustments to the net periodic pension cost resulting from remeasurements of certain Hewlett Packard Enterprise pension plans due to plan separations in connection with the spin-off and merger of Seattle SpinCo, Inc. with Micro Focus and Everett SpinCo, Inc. with Computer Sciences Corporation.