Segment Information- Earnings Before Taxes (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Apr. 30, 2016	Apr. 30, 2015	Apr. 30, 2016	Apr. 30, 2015
Segment Reporting Information
Net Revenue	$ 12,711	$ 12,549	$ 25,435	$ 25,602
Total segment earnings from operations	492	428	876	1,160
Stock-based compensation expense	(138)	(97)	(303)	(236)
Amortization of intangible assets	(201)	(204)	(419)	(407)
Restructuring charges	(161)	(248)	(472)	(380)
Acquisition and other related charges	(53)	(19)	(90)	(23)
Separation costs	(91)	(159)	(170)	(203)
Interest and other, net	(129)	(30)	(194)	(48)
Earnings before taxes	363	398	682	1,112
Operating segments
Segment Reporting Information
Net Revenue	13,297	13,075	26,593	26,727
Total segment earnings from operations	1,312	1,231	2,631	2,595
Eliminations of inter-segment net revenue and other
Segment Reporting Information
Net Revenue	(586)	(526)	(1,158)	(1,125)
Significant Reconciling Items
Segment Reporting Information
Corporate and unallocated costs and eliminations	(176)	(76)	(301)	(186)
Stock-based compensation expense	(138)	(97)	(303)	(236)
Amortization of intangible assets	(201)	(204)	(419)	(407)
Restructuring charges	(161)	(248)	(472)	(380)
Acquisition and other related charges	(53)	(19)	(90)	(23)
Separation costs	(91)	(159)	(170)	(203)
Interest and other, net	$ (129)	$ (30)	$ (194)	$ (48)

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

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- Definition

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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No definition available.

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- Definition

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.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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-Name Staff Accounting Bulletin (SAB)
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- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 30
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- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

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- Definition

This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investments, but before income taxes, extraordinary items, and noncontrolling interest.

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- Definition

The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).

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The net result for the period of deducting operating expenses from operating revenues.

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- Definition

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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- Definition

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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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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