Financial Instruments - Financial Instruments Not Recorded at Fair value (Details) - USD ($) $ in Millions	Dec. 27, 2025	Dec. 28, 2024
Carrying Amount
Schedule of Investments [Line Items]
Long-term debt, net	$ 2,348	$ 1,721
Short-term debt	874	0
Estimated Fair Value
Schedule of Investments [Line Items]
Long-term debt, net	2,246	1,543
Estimated Fair Value | Level 2
Schedule of Investments [Line Items]
Short-term debt	$ 879	$ 0