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Earnings Per Share (Narrative) (Details) shares in Millions | 12 Months Ended
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Sep. 27, 2025 Classes shares | Sep. 28, 2024 shares | Sep. 30, 2023 shares
Earnings Per Share, Basic and Diluted [Line Items] |  |  |
Antidilutive securities excluded from computation of earnings per share, shares | 6 | 7 | 9
Cash Dividends, Paid Ratio To Other Class Of Stock, Maximum | 90.00% |  |
Number Of Classes Of Common Stock | Classes | 2 |  |
Class A [Member] |  |  |
Earnings Per Share, Basic and Diluted [Line Items] |  |  |
Undistributed earnings (losses), ratio used to calculate allocation to class of stock | 1,000,000 |  |
Basic, Shares | 285 | 284 | 284
Class B [Member] |  |  |
Earnings Per Share, Basic and Diluted [Line Items] |  |  |
Undistributed earnings (losses), ratio used to calculate allocation to class of stock | 900,000 |  |
Basic, Shares | 70 | 70 | 70

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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 + Details
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