Retirement Plans - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
Apr. 03, 2021	Mar. 28, 2020	Apr. 24, 2020
Defined Benefit Plan Disclosure [Line Items]
Employer matching contribution	$ 13	$ 14
Multiemployer plan contributions	$ 10	$ 12
Smart Foodservice
Defined Benefit Plan Disclosure [Line Items]
Smart Foodservice Net Benefit Obligation			$ 19

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of funded (unfunded) status of defined benefit plan, measured as difference between fair value of plan assets and benefit obligation. Includes, but is not limited to, overfunded (underfunded) status.

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Amount of cost for defined contribution plan.

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