Employee Stock and Benefit Plans (Stock Option Transactions) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
Sep. 29, 2013	Sep. 30, 2012	Oct. 02, 2011
Shares Subject to Options
Outstanding, September 30, 2012, Shares Subject to Options	33.1
Granted, Shares Subject to Options	3.6
Exercised, Shares Subject to Options	(13.2)
Expired/forfeited, Shares Subject to Options	(1.5)
Outstanding, September 29, 2013, Shares Subject to Options	22.0	33.1
Exercisable, September 29, 2013, Shares Subject to Options	13.3
Vested and expected to vest, September 29, 2013, Shares Subject to Options	21.0
Weighted Average Exercise Price per Share
Outstanding, Weighted Average Exercise Price per Share Beginning Balance	$ 22.19
Granted, Weighted Average Exercise Price per Share	$ 51.23	$ 44.26	$ 31.46
Exercised, Weighted Average Exercise Price per Share	$ 17.20
Expired/forfeited, Weighted Average Exercise Price per Share	$ 33.97
Outstanding, Weighted Average Exercise Price per Share Ending Balance	$ 29.11	$ 22.19
Additional Disclosures
Exercisable at September 30, 2012, Weighted Average Exercise Price per Share	$ 22.07
Vested and expected to vest, September 30, 2012, Weighted Average Exercise Price per Share	$ 28.36
Outstanding, Weighted Average Remaining Contractual Life (Years)	6 years 0 months	6 years 1 month
Exercisable, Weighted Average Remaining Contractual Life (Years)	4 years 8 months
Vested and expected to vest, Weighted Average Remaining Contractual Life (Years)	5 years 11 months
Aggregate Intrinsic Value
Outstanding, Aggregate Intrinsic Value	$ 1,060	$ 945
Exercisable, Aggregate Intrinsic Value	734
Vested and expected to vest, Aggregate Intrinsic Value	$ 1,031

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For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

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Weighted average price of options that were either forfeited or expired.

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Net number of share options (or share units) granted during the period.

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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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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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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of fully vested and expected to vest options that are exercisable.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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