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Income Taxes (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 26, 2021 | Dec. 27, 2020 | Sep. 25, 2022 | Sep. 26, 2021
Income Taxes |  |  |  |
Effective income tax rate (benefit) | 12.00% | 6.00% |  |
Income Tax Expense (Benefit) | $ 466 | $ 149 |  |
Unrecognized tax benefits | 2,100 |  |  | $ 2,100
Internal Revenue Service (IRS) |  |  |  |
Income Taxes |  |  |  |
Income Tax Expense (Benefit) | $ 103 | $ 212 |  |
Forecast |  |  |  |
Income Taxes |  |  |  |
Effective income tax rate (benefit) |  |  | 14.00% |
Forecast | FDII Effective Tax Rate |  |  |  |
Income Taxes |  |  |  |
Effective income tax rate (benefit) |  |  | 13.00% |

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