Composition of Certain Financial Statement Items Other Assets (Details) - USD ($) $ in Millions |
Jun. 28, 2026 |
Sep. 28, 2025 |
|---|---|---|
| Long-Term Purchase Commitment [Line Items] | ||
| Advance payment related to multi-year capacity commitments | $ 769 | $ 1,900 |
| Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssets | ||
| Long-Term Purchase Commitment [Line Items] | ||
| Advance payment related to multi-year capacity commitments | 574 | 357 |
| Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsCurrent | ||
| Long-Term Purchase Commitment [Line Items] | ||
| Advance payment related to multi-year capacity commitments | $ 195 | $ 1,500 |