Discontinued Operations (Details) - Everett SpinCo, Inc. and Seattle SpinCo, Inc. - Spinoff $ in Millions	12 Months Ended
Oct. 31, 2017 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Depreciation and amortization	$ 526
Purchases of property, plant and equipment	$ 158

Amount of capital expenditure attributable to discontinued operations.

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-Publisher FASB
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Amount of deprecation and amortization expense attributable to property, plant and equipment and intangible assets of discontinued operations.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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