Related Party - Equity Joint Ventures (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 27, 2026	Jun. 28, 2025	Jun. 27, 2026	Jun. 28, 2025	Dec. 27, 2025	Oct. 09, 2024
Summary of Investment Holdings [Line Items]
Carrying value of investment	$ 302		$ 302		$ 176
Other current liabilities	301		301		402
Equity income in investee	6	$ 8	12	$ 15
ATMP JV
Summary of Investment Holdings [Line Items]
Other Receivables, Net, Current						$ 100
Other Receivables, Net, Current						$ 100
Joint Venture
Summary of Investment Holdings [Line Items]
Purchases from related party	594	$ 529	1,200	$ 1,000
Other current liabilities	$ 569		$ 569		$ 408