Balance Sheet Details (Details) - USD ($) $ in Millions |
6 Months Ended | ||
|---|---|---|---|
Apr. 30, 2017 |
Apr. 30, 2017 |
Oct. 31, 2016 |
|
| Accounts Receivable, Net | |||
| Accounts receivable, billed | $ 3,585 | $ 3,681 | |
| Unbilled receivable | 267 | 191 | |
| Accounts receivable, gross | 3,852 | 3,872 | |
| Allowance for doubtful accounts | $ (56) | (42) | (56) |
| Total | 3,810 | 3,816 | |
| Allowance for Doubtful Accounts Receivable [Roll Forward] | |||
| Balance at beginning of year | 56 | ||
| Deductions, net of recoveries | (14) | ||
| Balance at end of period | 42 | ||
| Trade receivables sold and cash received | |||
| Balance at beginning of period | 145 | ||
| Trade receivables sold | 1,541 | ||
| Cash receipts | (1,624) | ||
| Foreign currency and other | (1) | ||
| Balance at end of period | $ 61 | ||
| Inventory, Net [Abstract] | |||
| Finished goods | 1,218 | 1,182 | |
| Purchased parts and fabricated assemblies | 823 | 558 | |
| Inventory [Line Items] | |||
| Total | 2,041 | $ 1,740 | |
| SGI | |||
| Inventory [Line Items] | |||
| Total | $ 118 |
| X | ||||||||||
- Definition Accounts Receivable, Gross, Billed No definition available.
|
| X | ||||||||||
- Definition Amount of deductions of receivables doubtful of collection, net of recoveries that were previously charged off. No definition available.
|
| X | ||||||||||
- Definition The aggregate amount of cash receipts under revolving financing receivables arrangements facilities during the reporting period. No definition available.
|
| X | ||||||||||
- Definition The aggregate amount of FX and other under revolving financing receivables arrangements facilities during the reporting period. No definition available.
|
| X | ||||||||||
- Definition Represents the amount of receivables sold to the third party, but not collected by the third party from customer under revolving financing receivables arrangements. No definition available.
|
| X | ||||||||||
- Definition The aggregate face amount of accounts receivable that were sold to third party under revolving financing receivables arrangements during the reporting period. No definition available.
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amounts due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer) for goods or services (including trade receivables) that have been delivered or sold in the normal course of business. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
|
| X | ||||||||||
- Definition Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition 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.
|
| X | ||||||||||
- Definition Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition The aggregate carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of items which are partially completed at the time of measurement and unprocessed items that will go through the production process and become part of the final product. This element may be used when the reporting entity combines work in process and raw materials into an aggregate amount. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Unbilled amounts due for services rendered or to be rendered, actions taken or to be taken, or a promise to refrain from taking certain actions in accordance with the terms of a legally binding agreement between the entity and, at a minimum, one other party. An example would be amounts associated with contracts or programs where the recognized revenue for performance thereunder exceeds the amounts billed under the terms thereof as of the date of the balance sheet. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Details
|