Discontinued Operations (Details) - Enterprise Services - Discontinued Operations, Disposed of by Means Other than Sale, Spinoff - USD ($) $ in Millions		3 Months Ended	6 Months Ended
Apr. 01, 2017	Apr. 30, 2017	Apr. 30, 2017
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Shares distributed to shareholder (in shares)	0.085904
Term			5 years
Net cash transfer	$ 500	$ 559

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.

No definition available.

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