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Equity (Schedule of Share Repurchases) (Details) - Class A [Member] - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Oct. 02, 2021	Oct. 03, 2020	Sep. 28, 2019
Class of Stock [Line Items]
Shares	0.9	2.5	3.7
Dollars	$ 67	$ 207	$ 252
Share Repurchase Program [Member]
Class of Stock [Line Items]
Shares	0.0	1.8	2.3
Dollars	$ 0	$ 150	$ 150
To fund certain obligations under equity compensation plans [Member]
Class of Stock [Line Items]
Shares	0.9	0.7	1.4
Dollars	$ 67	$ 57	$ 102

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

The cash outflow to reacquire common stock during the period.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (a)
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Number of shares that have been repurchased during the period and are being held in treasury.

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-Name Accounting Standards Codification
-Topic 505
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