Debt - Schedule of Long-term Debt (Details) - USD ($) $ in Millions		Jun. 26, 2021	Dec. 26, 2020
Schedule Of Debts [Line Items]
Long-term debt, net of unamortized discounts		$ 3,959	$ 3,999
Unamortized deferred financing costs		(11)	12
Current installments of long-term debt		(44)	(44)
Total		3,904	3,943
1st Lien USD Term Loan
Schedule Of Debts [Line Items]
Long-term debt, net of unamortized discounts	[1]	2,690	2,701
1st Lien Euro Term Loan
Schedule Of Debts [Line Items]
Long-term debt, net of unamortized discounts	[2]	$ 1,269	$ 1,298

[1] During the six months ended June 26, 2021, the weighted average interest rate was 3.9%

[2] During the six months ended June 26, 2021, the weighted average interest rate was 3.5%