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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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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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Amount by which the current fair value of the underlying stock exceeds the exercise price of fully vested and expected to vest options outstanding.

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As of the balance sheet date, the number of shares into which fully vested and expected to vest stock options outstanding can be converted under the option plan.

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As of the balance sheet date, the weighted-average exercise price for outstanding stock options that are fully vested or expected to vest.

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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 the reported fact of one year, five months, and thirteen days.

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Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding.

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The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied.

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The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.

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The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices.

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

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The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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Stockholders' Equity, Comprehensive Income and Share-Based Compensation (Exercise Price) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Oct. 26, 2014	Oct. 27, 2013	Oct. 28, 2012
Options Outstanding
Number of Shares	2
Options exercisable and expected to become exercisable, Number of Shares	2
Weighted Average Exercise Price (in dollar per share)	$ 10.87
Options exercisable and expected to become exercisable, Weighted Average Exercise Price (in dollars per share)	$ 10.87
Weighted Average Remaining Contractual Life	3 years 11 months 26 days
Options exercisable and expected to become exercisable, Weighted Average Remaining Contractual Life	3 years 11 months 26 days
Aggregate Intrinsic Value	$ 19	$ 49	$ 43
Options exercisable and expected to become exercisable, Aggregate Intrinsic Value	19
Options Exercisable
Number of Shares	1
Weighted Average Exercise Price (in dollar per share)	$ 7.97
Aggregate Intrinsic Value	14
Range $3.36 - $9.99 [Member]
Options outstanding and exercisable
Exercise price range, lower range limit (in dollar per share)	$ 3.36
Exercise price range, upper range limit (in dollar per share)	$ 9.99
Options Outstanding
Number of Shares	1
Weighted Average Exercise Price (in dollar per share)	$ 5.31
Weighted Average Remaining Contractual Life	1 year 9 months 21 days
Aggregate Intrinsic Value	12
Options Exercisable
Number of Shares	1
Weighted Average Exercise Price (in dollar per share)	$ 5.30
Aggregate Intrinsic Value	12
Range $10.00 - $15.06 [Member]
Options outstanding and exercisable
Exercise price range, lower range limit (in dollar per share)	$ 10.00
Exercise price range, upper range limit (in dollar per share)	$ 15.06
Options Outstanding
Number of Shares	1
Weighted Average Exercise Price (in dollar per share)	$ 14.96
Weighted Average Remaining Contractual Life	5 years 7 months 2 days
Aggregate Intrinsic Value	7
Options Exercisable
Number of Shares	0
Weighted Average Exercise Price (in dollar per share)	$ 14.71
Aggregate Intrinsic Value	$ 2