Stock-Based Compensation (Summary Of Stock Options) (Details) - Stock Options [Member] - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
Oct. 03, 2020	Sep. 28, 2019	Sep. 29, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate	2.00%	2.50%	1.50%
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Shares Under Option - Outstanding, September 28, 2019	5,362,672
Shares Under Option - Exercised	(661,549)
Shares Under Option - Forfeited or expired	(265,237)
Shares Under Option - Granted	1,515,587
Shares Under Option - Outstanding, October 3, 2020	5,951,473	5,362,672
Weighted Average Exercise Price Per Share - Outstanding, September 28, 2019	$ 54.03
Weighted Average Exercise Price Per Share - Exercised	48.21
Weighted Average Exercise Price Per Share - Forfeited or expired	76.06
Weighted Average Exercise Price Per Share - Granted	90.04
Weighted Average Exercise Price Per Share - Outstanding, October 3, 2020	$ 62.86	$ 54.03
Weighted Average Remaining Contractual Life (in Years) - Outstanding, October 3, 2020	6 years 9 months 18 days
Aggregate Intrinsic Value - Outstanding, October 3, 2020	$ 37
Shares Under Option - Exercisable, October 3, 2020	3,231,765
Weighted Average Exercise Price Per Share - Exercisable at October 3, 2020	$ 50.96
Weighted Average Remaining Contractual Life (in Years) - Exercisable, October 3, 2020	5 years 4 months 24 days
Aggregate Intrinsic Value - Exercisable, October 3, 2020	$ 37

The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

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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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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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Gross 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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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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

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