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Other Income (Expense), Net (Narrative) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 26, 2025 | Sep. 27, 2024 | Sep. 26, 2025 | Sep. 27, 2024 | Dec. 31, 2024
Other Income and Expenses [Abstract] |  |  |  |  |
Gain on sale of shares of equity method investment |  | $ 180 |  | $ 180 |
Gain on sale of shares of equity method investment, net of tax |  | 135 |  | 135 |
Proceeds from sale of product line |  |  | $ 9 | 0 |
Pretax gain on sale of product lines | $ 0 | $ 0 | 9 | $ 0 |
Gain on sale of product line, net of tax |  |  | $ 7 |  |
Revenues from divested product line |  |  |  |  | $ 50

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