Other Expense, Net (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 27, 2026	Jun. 28, 2025	Jun. 27, 2026	Jun. 28, 2025
Disaggregation of Income Statement Expense, Caption [Line Items]
Environmental expenses	$ 18	$ 22	$ 37	$ 93
Transaction costs	74	15	109	15
Equity income of affiliated companies	(6)	(6)	(12)	(11)
Other expense (income), net	12	(17)	14	(25)
Total Other expense, net	98	14	148	72
Spinoff
Disaggregation of Income Statement Expense, Caption [Line Items]
Transaction costs	329	17	522	17
Disaggregation of Income Statement Expense, Caption, Identifier [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense | Spinoff
Disaggregation of Income Statement Expense, Caption [Line Items]
Transaction costs	$ 255	$ 2	$ 413	$ 2