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Fair Value Measurement (Narrative) (Details) - USD ($) $ in Millions | 9 Months Ended
--- | ---
Jul. 01, 2023 | Jul. 02, 2022
Other income/expense |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Other Nonrecurring Gain |  | $ 37
Maximum [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Short Term Investment Maturity Period | 12 months |
Available For Sale Securities Debt Maturity Period | 46 years |

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