v3.26.1
Investments (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jul. 04, 2026
Jun. 28, 2025
Jul. 04, 2026
Jun. 28, 2025
Dec. 31, 2025
Investments          
Total trading short-term investments $ 1,062   $ 1,062   $ 1,052
Unrealized gains (losses) on trading securities 59 $ 36 54 $ 24  
Domestic equity securities          
Investments          
Fair Value 717   717   713
Foreign equity securities          
Investments          
Fair Value 169   169   145
Domestic fixed-income mutual funds          
Investments          
Fair Value 143   143   136
Foreign fixed-income mutual funds          
Investments          
Fair Value 14   14   26
Domestic debt securities - other          
Investments          
Fair Value 18   18   25
Money market funds held in trading accounts          
Investments          
Fair Value 1   1   7
Domestic debt securities held in private equity funds          
Investments          
Fair Value $ 343   $ 343   $ 382