Income Taxes - Summary of Valuation Allowance (Details) - USD ($) $ in Billions |
12 Months Ended | ||
|---|---|---|---|
Sep. 27, 2025 |
Sep. 28, 2024 |
Sep. 30, 2023 |
|
| Valuation Allowance [Line Items] | |||
| Roll Forward, Deferred Tax Assets, Valuation Allowance | $ 3.0 | $ 3.2 | $ 2.9 |
| Increases (Decreases) to Tax Expense | (0.1) | (0.3) | 0.2 |
| Other Changes | 0.0 | 0.1 | 0.1 |
| Roll Forward, Deferred Tax Assets, Valuation Allowance | $ 2.9 | $ 3.0 | $ 3.2 |