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Pensions and Other Benefit Plans - Narrative (Details) - USD ($)
$ in Millions
 12 Months Ended
Jan. 01, 2023
Jan. 02, 2022
Jan. 03, 2021
Defined Benefit Plan Disclosure [Line Items]      
Percentage of corridor of greater of market value of assets 10.00%    
Accumulated benefit obligation unfunded plans $ 2,900 $ 3,900  
Projected benefit obligation, unfunded plans 2,900 4,200  
Plan with accumulated benefit obligation in excess of plan assets, plan assets 300 300  
Fair value of company's common stock directly held in plan assets $ 21 $ 385  
Percentage of company's common stock to plan asset 0.10% 0.90%  
Retirement Plans      
Defined Benefit Plan Disclosure [Line Items]      
Amendments $ 7 $ 5  
Plan Assets 31,514 41,930 $ 38,195
Other Benefit Plans      
Defined Benefit Plan Disclosure [Line Items]      
Amendments 0 0  
Plan Assets 78 102 $ 90
U.S. Plans      
Defined Benefit Plan Disclosure [Line Items]      
Contribution to pension plans 119    
International Plans      
Defined Benefit Plan Disclosure [Line Items]      
Contribution to pension plans 151    
Commingled funds | Level 2 | Other Benefit Plans      
Defined Benefit Plan Disclosure [Line Items]      
Plan Assets $ 78 $ 102  
Maximum | Retirement Plans      
Defined Benefit Plan Disclosure [Line Items]      
Retirement plan benefits Employee compensation Period 5 years