Stockholders' Equity (Stock Option Activity) (Details) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
Feb. 02, 2020 USD ($) $ / shares shares
Stock-based Compensation Arrangement by Stock-based Payment Award [Line Items]
Threshold for reporting in the equity award activity table	1
Employee Stock Options
Options Outstanding, Number of Shares [Roll Forward]
Beginning balance	4
Exercised	0
Ending balance	4
Fully vested	4
Fully vested and expected to vest	4
Options, Weighted-Average Exercise Price per Share
Beginning balance, Weighted average exercise price per share \| $ / shares	$ 51.83
Exercised, Weighted average exercise price per share \| $ / shares	45.70
Ending balance, Weighted average exercise price per share \| $ / shares	53.22
Fully vested, Weighted average exercise price per share \| $ / shares	53.21
Fully vested and expected to vest, Weighted average exercise price per share \| $ / shares	$ 53.22
Additional Option Disclosures
Outstanding, Weighted average remaining contractual life (in years)	10 months 24 days
Fully vested, Weighted average remaining contractual life (in years)	10 months 24 days
Fully vested and expected to Vest, Weighted average remaining contractual life (in years)	10 months 24 days
Exercised, Aggregate intrinsic value \| $	$ 217
Outstanding, Aggregate intrinsic value \| $	908
Fully vested, Aggregate intrinsic value \| $	906
Fully vested and expected to vest, Aggregate intrinsic value \| $	$ 908

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for fully vested and expected to vest options outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Number of share options (or share units) exercised during the current period.

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