Stock Issued During Period, Value, Issuance Of Common Stock At Separation

No definition available.

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- Definition

This element represents the amount of recognized equity-based compensation during the period, that is, the amount recognized as expense in the income statement (or as asset if compensation is capitalized). Alternate captions include the words "stock-based compensation".

+ References

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- Definition

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Glossary Other Comprehensive Income
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-Glossary Net Income
-URI http://asc.fasb.org/extlink&oid=51831255

+ Details

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- Definition

Amount of paid and unpaid cash dividends declared for classes of stock, for example, but not limited to, common and preferred.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

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- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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- Definition

Amount of Net Income (Loss) attributable to noncontrolling interest.

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- Definition

Amount after tax and reclassification adjustments of other comprehensive income (loss).

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Period Type:	duration

- Definition

The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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- Definition

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References

+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition

This element represents movements included in the statement of changes in stockholders' equity which are not separately disclosed or provided for elsewhere in the taxonomy.

+ References

No definition available.

+ Details

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- Details

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- Details

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Stockholders' Equity - Rollforward (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2017	Apr. 30, 2016	Apr. 30, 2017	Apr. 30, 2016
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at beginning of period			$ 31,518
Everett Transaction			(1,349)
Net loss			(349)
Other comprehensive income, net of taxes	$ 1	$ (75)	476	$ (152)
Comprehensive income			127
Repurchase of common stock			(1,350)
Cash dividends declared			(324)
Stock-based compensation expense			378
Other			47
Balance at end of period	29,047		29,047
Net loss attributable to parent	$ 612	$ (320)	345	$ (587)
Net loss attributable to noncontrolling interests			4
Retained Earnings
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Everett Transaction			3,900
Noncontrolling Interest
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Everett Transaction			30
AOCI Including Portion Attributable to Noncontrolling Interest
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Everett Transaction			2,600
Unallocated
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense			219
Income From Discontinued Operations
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense			100
Separation Costs
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense			33
Restructuring Charges
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense			19
Acquisition-related Costs
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense			$ 7