Guarantees, Indemnifications and Warranties (Details) - USD ($) $ in Millions	9 Months Ended
Jul. 31, 2016	Oct. 31, 2015
Changes in aggregated product warranty liabilities
Balance at beginning of period	$ 523
Accruals for warranties issued	277
Adjustments related to pre-existing warranties (including changes in estimates)	1
Reclassified as held for sale liability	(23)
Settlements made (in cash or in kind)	(285)
Balance at end of period	493
Tax Matters Agreements
Certain long-term income tax receivable, net from HP Inc.	1,000
Cross-Indemnifications
General Cross indemnifications
Receivables from HP Inc.	78
Payable to HP Inc.	$ 64
Former Parent Company \| Cross-Indemnifications
General Cross indemnifications
Receivables from former Parent		$ 232
Payable to former Parent		$ 38

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Carrying amount as of the balance sheet date of obligation due outside entity.

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Represents the aggregate reclassification in the liability related to transfers reclassified as held for sale liabilities.

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Carrying amount as of the balance sheet date of obligations due from outside entities.

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For an unclassified balance sheet, amounts due from related parties including affiliates, employees, joint ventures, officers and stockholders, immediate families thereof, and pension funds.

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Carrying amount as of the balance sheet date of obligations due all related parties.

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

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers.

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Represents the aggregate decrease in the liability related to payments to satisfy claims for standard and extended product warranties.

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Represents the aggregate Increase or Decrease in the liability during the reporting period for accruals related to preexisting standard and extended product warranties (including adjustments for changes in estimates).

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Represents the aggregate increase in the liability for accruals related to standard and extended product warranties issued during the reporting period.

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