Financial Instruments - Fair Values of Financial Assets and Liabilities – Deferred Compensation (Detail) - Fair Value, Inputs, Level 1 & 2 - USD ($) $ in Millions - USD ($) $ in Millions |
Mar. 21, 2026 |
Dec. 27, 2025 |
|---|---|---|
| Non-derivatives, fair value [Line Items] | ||
| Short-term Investments | $ 353 | $ 371 |
| Assets | Fair Value, Inputs, Level 1 | ||
| Non-derivatives, fair value [Line Items] | ||
| Short-term Investments | 336 | 341 |
| Assets | Fair Value, Inputs, Level 2 | ||
| Non-derivatives, fair value [Line Items] | ||
| Deferred compensation | 0 | 0 |
| Liability | Fair Value, Inputs, Level 1 | ||
| Non-derivatives, fair value [Line Items] | ||
| Short-term Investments | 0 | 0 |
| Liability | Fair Value, Inputs, Level 2 | ||
| Non-derivatives, fair value [Line Items] | ||
| Deferred compensation | $ 469 | $ 495 |