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Income Taxes (Details) - USD ($) $ in Billions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 28, 2026 | Mar. 29, 2026 | Jun. 29, 2025 | Sep. 27, 2026 | Sep. 28, 2025
Income Taxes |  |  |  |  |
Effective income tax rate (benefit) | 19.00% |  | 10.00% |  |
U.S. Federal |  |  |  |  |
Valuation Allowance [Line Items] |  |  |  |  |
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount |  | $ (5.7) |  |  | $ 5.7
Forecast |  |  |  |  |
Income Taxes |  |  |  |  |
Effective income tax rate (benefit) |  |  |  | (40.00%) |
Forecast | FDDEI effective Tax Rate |  |  |  |  |
Income Taxes |  |  |  |  |
Effective income tax rate (benefit) |  |  |  | 13.00% |

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