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Changes in Pension and Other Postretirement Benefit Obligations, Plan Assets and Funded Status (Detail) - USD ($)
 12 Months Ended
Dec. 28, 2024
Dec. 30, 2023
Dec. 31, 2022
Defined Benefit Plan Disclosure [Line Items]      
Net asset (liability) recognized at end of period   $ 0  
Pension Benefits | North America      
Defined Benefit Plan Disclosure [Line Items]      
Obligation at beginning of period $ 592,000,000 627,000,000  
Interest cost 29,000,000 32,000,000 $ 21,000,000
Assumption changes (16,000,000) 3,000,000  
Actuarial gain   (2,000,000)  
Benefits paid (65,000,000) (68,000,000)  
Obligation at end of period 540,000,000 592,000,000 627,000,000
Fair value of plan assets at beginning of period 607,000,000 625,000,000  
Actual return on plan assets 8,000,000 48,000,000  
Employer contribution 2,000,000 2,000,000  
Benefits paid (65,000,000) (68,000,000)  
Fair value of plan assets at end of period 552,000,000 607,000,000 625,000,000
Net asset (liability) recognized at end of period 12,000,000 15,000,000  
Other Benefits | North America      
Defined Benefit Plan Disclosure [Line Items]      
Obligation at beginning of period 8,000,000 9,000,000  
Benefits paid (1,000,000) (1,000,000)  
Obligation at end of period 7,000,000 8,000,000 $ 9,000,000
Employer contribution 1,000,000 1,000,000  
Benefits paid (1,000,000) (1,000,000)  
Net asset (liability) recognized at end of period $ (7,000,000) $ (8,000,000)