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Pension and Retiree Medical Benefits - Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended 6 Months Ended
Jun. 17, 2023
Jun. 11, 2022
Jun. 17, 2023
Jun. 11, 2022
Sep. 09, 2023
Defined Benefit Plan Disclosure [Line Items]          
Defined Benefit Plan, Benefit Obligation, Divestiture       $ 145  
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements, Net of Tax, Per Share   $ 0.07   $ 0.07  
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax   $ 101   $ 101  
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement   131   131  
Curtailment Gain       16  
Domestic Plan          
Defined Benefit Plan Disclosure [Line Items]          
Defined Benefit Plan, Plan Assets, Contributions by Employer     $ 125 75  
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) $ 26 148 51 168  
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement 0 (131) 0 (131)  
Domestic Plan | Forecast          
Defined Benefit Plan Disclosure [Line Items]          
Defined Benefit Plan, Expected Future Employer Contributions, Remainder of Fiscal Year         $ 125
Foreign Plan          
Defined Benefit Plan Disclosure [Line Items]          
Defined Benefit Plan, Plan Assets, Contributions by Employer     17 10  
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) 1 (9) 1 (12)  
Curtailment Gain $ 0 $ 0 $ 0 $ 0