Segment Information (Detail 2) - USD ($) $ in Millions	12 Months Ended
Oct. 31, 2016	Oct. 31, 2015	Oct. 31, 2014
Segment Reporting Information
Net revenue	$ 50,123	$ 52,107	$ 55,123
Earnings (loss) from operations	4,150	1,523	2,335
Stock-based compensation expense	(597)	(565)	(427)
Amortization of intangible assets	(755)	(852)	(906)
Restructuring charges	(1,236)	(954)	(1,471)
Acquisition and other related charges	(178)	(89)	(11)
Separation costs	(598)	(797)	0
Defined benefit plan settlement charges	0	(225)	0
Impairment of data center assets	0	(136)	0
Gain on H3C and MphasiS divestitures	2,420	0	0
Interest and other, net	(312)	(51)	(91)
Tax indemnification adjustments	317	0	0
Loss from equity interests	(76)	(2)	0
Total Hewlett Packard Enterprise consolidated and combined earnings before taxes	4,079	1,470	2,244
Assets	79,679	79,916
Enterprise Group
Segment Reporting Information
Net revenue	26,017	26,668	26,812
Enterprise Services
Segment Reporting Information
Net revenue	18,094	19,010	21,297
Software
Segment Reporting Information
Net revenue	2,912	3,308	3,609
Financial Services
Segment Reporting Information
Net revenue	3,097	3,114	3,401
Corporate Investments
Segment Reporting Information
Net revenue	3	7	4
Operating segments
Segment Reporting Information
Net revenue	52,479	54,558	57,560
Earnings (loss) from operations	5,653	5,595	5,742
Operating segments \| Enterprise Group
Segment Reporting Information
Net revenue	27,219	27,907	27,727
Earnings (loss) from operations	3,459	3,862	3,909
Assets	26,163	27,987
Operating segments \| Enterprise Services
Segment Reporting Information
Net revenue	18,872	19,806	22,398
Earnings (loss) from operations	1,457	1,019	818
Assets	9,563	11,581
Operating segments \| Software
Segment Reporting Information
Net revenue	3,195	3,622	3,933
Earnings (loss) from operations	749	788	871
Assets	9,425	9,996
Operating segments \| Financial Services
Segment Reporting Information
Net revenue	3,190	3,216	3,498
Earnings (loss) from operations	336	349	389
Assets	13,594	13,163
Operating segments \| Corporate Investments
Segment Reporting Information
Net revenue	3	7	4
Earnings (loss) from operations	(348)	(423)	(245)
Assets	161	83
Eliminations of inter-segment net revenue and other
Segment Reporting Information
Net revenue	2,356	2,451	2,437
Eliminations of inter-segment net revenue and other \| Enterprise Group
Segment Reporting Information
Net revenue	1,202	1,239	915
Eliminations of inter-segment net revenue and other \| Enterprise Services
Segment Reporting Information
Net revenue	778	796	1,101
Eliminations of inter-segment net revenue and other \| Software
Segment Reporting Information
Net revenue	283	314	324
Eliminations of inter-segment net revenue and other \| Financial Services
Segment Reporting Information
Net revenue	93	102	97
Eliminations of inter-segment net revenue and other \| Corporate Investments
Segment Reporting Information
Net revenue	0	0	0
Significant Reconciling Items
Segment Reporting Information
Corporate and unallocated costs and eliminations	(598)	(454)	(592)
Stock-based compensation expense	(558)	(565)	(427)
Amortization of intangible assets	(755)	(852)	(906)
Restructuring charges	(1,236)	(954)	(1,471)
Acquisition and other related charges	(178)	(89)	(11)
Separation costs	(598)	(797)	0
Defined benefit plan settlement charges	0	(225)	0
Impairment of data center assets	0	(136)	0
Gain on H3C and MphasiS divestitures	2,420	0	0
Interest and other, net	(312)	(51)	(91)
Tax indemnification adjustments	317	0	$ 0
Loss from equity interests	(76)	(2)
Corporate and unallocated assets
Segment Reporting Information
Assets	$ 20,773	$ 17,106

Amount of reconciling item for corporate and unallocated costs, gains and eliminations.

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Represent company's expense associated with separation from former parent. The charges are related primarily to third-party consulting fees and other expenses incurred to complete the separation, such as: finance, IT, consulting and legal fees, real estate, and other items.

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Tax Indemnification Adjustments

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Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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