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Retirement Benefits (Schedule of Pension Plan Assets Measured at Fair Value) (Details) - USD ($)
$ in Millions
Jan. 02, 2026
Jan. 03, 2025
Dec. 29, 2023
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 1,319 $ 1,247  
Level 1      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 99 39  
Level 2      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 962 943  
Level 3      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 115 111  
United States      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 57 54  
United States | Level 1      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0 0  
United States | Level 2      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0 0  
United States | Level 3      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0 0  
United States | Investments measured at net asset value      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 57 54  
International      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 1,262 1,193  
International | Level 1      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 99 39  
International | Level 2      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 962 943  
International | Level 3      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 115 111 $ 114
International | Investments measured at net asset value      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 86 100  
International | Equities      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 413 433  
International | Equities | Level 1      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0 0  
International | Equities | Level 2      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 356 379  
International | Equities | Level 3      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 57 54 51
International | Fixed income      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 606 564  
International | Fixed income | Level 1      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0 0  
International | Fixed income | Level 2      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 606 564  
International | Fixed income | Level 3      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0 0 0
International | Real estate      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 2 1  
International | Real estate | Level 1      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0 0  
International | Real estate | Level 2      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0 0  
International | Real estate | Level 3      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 2 1 1
International | Cash and cash equivalents      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 99 39  
International | Cash and cash equivalents | Level 1      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 99 39  
International | Cash and cash equivalents | Level 2      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0 0  
International | Cash and cash equivalents | Level 3      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0 0  
International | Other      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 56 56  
International | Other | Level 1      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0 0  
International | Other | Level 2      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0 0  
International | Other | Level 3      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 56 $ 56 $ 62