v3.25.4

Fair Value Measurements (Schedule Of Available For Sale Securities) (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Dec. 27, 2025 | Sep. 27, 2025
Maximum [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Available For Sale Securities Debt Maturity Period | 43 years |
Short Term Investment Maturity Period | 12 months |
Other Assets [Member] | Fair Value, Recurring [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt Securities, Available-for-Sale, Noncurrent | $ 118 | $ 117
Other Assets [Member] | Level 1 | Fair Value, Recurring [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt Securities, Available-for-Sale, Noncurrent | 0 | 0
Other Assets [Member] | Level 2 | Fair Value, Recurring [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt Securities, Available-for-Sale, Noncurrent | 90 | 90
Other Assets [Member] | Level 3 | Fair Value, Recurring [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt Securities, Available-for-Sale, Noncurrent | 28 | 27
U.S. treasury and agency |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain (Loss), before Tax | (1) | (1)
Debt Securities, Available-for-sale | 90 | 90
Debt Securities, Available-for-Sale, Amortized Cost, Total | 91 | 91
Corporate and asset-backed |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain (Loss), before Tax | 0 | 0
Debt Securities, Available-for-sale | 28 | 27
Debt Securities, Available-for-Sale, Amortized Cost, Total | $ 28 | $ 27

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