Condensed Consolidated Statements of Cash Flows (Parenthetical) - USD ($)		9 Months Ended
Aug. 31, 2017	Jul. 31, 2017
Seattle SpinCo, Inc. \| Term loan facility \| HPE
Face amount of debt instrument		$ 2,600,000,000.0
Seattle SpinCo, Inc. \| Dividend payable in connection with the Seattle Transaction \| HPE \| Subsequent Event
Due to HPE	$ 2,500,000,000
Everett SpinCo, Inc.
Cash dividend payment		3,000,000,000
Issuance of debt		3,500,000,000
Spin-off
Pension funding payments		$ 1,900,000,000

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