Stockholders' Equity (Summary Of Options Outstanding By Exercise Price Range) (Details) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
Sep. 28, 2013	Sep. 29, 2012
Stockholders' Equity [Abstract]
Range of exercise price, lower limit	$ 3.04	$ 3.04
Range of exercise price, upper limit	$ 17.59	$ (15.04)
Number outstanding	10,035,229
Intrinsic value of outstanding	$ 106
Weighted average remaining contractual life	6 years
Weighted average exercise price	$ 9.96
Number exercisable	5,182,027	7,327,612
Intrinsic value of exercisable	64
Unrecognized compensation	$ 15
Weighted recognition period	2 years

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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 of difference between fair value of the underlying shares reserved for issuance and exercise price of options outstanding.

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-Name Accounting Standards Codification

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- Definition

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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