Components of Net Periodic Pension Cost (Benefit) (Detail) - United Kingdom - USD ($) $ in Millions	12 Months Ended
Dec. 28, 2024	Dec. 30, 2023	Dec. 31, 2022
Defined Benefit Plan Disclosure [Line Items]
Interest cost	$ 7	$ 8	$ 4
Expected return on plan assets	(6)	$ (8)	(6)
Amortization of net losses	2
Net periodic pension cost (benefit)	$ 3		$ (2)

Amount of gain (loss) recognized in net periodic benefit (cost) credit of defined benefit plan.

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Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan.

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Amount of cost recognized for passage of time related to defined benefit plan.

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Amount of net periodic benefit cost (credit) for defined benefit plan.

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