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Pension and Other Retirement Plans - Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 29, 2024
Dec. 31, 2023
Jan. 01, 2023
Defined Benefit Plan Disclosure [Line Items]      
Accumulated benefit obligation $ 1,774 $ 1,803  
Defined contribution plan, contributions 68 $ 67 $ 68
Qualified Plan      
Defined Benefit Plan Disclosure [Line Items]      
Expected contributions 6    
Nonqualified Plan      
Defined Benefit Plan Disclosure [Line Items]      
Expected contributions $ 23