v3.25.2
Income Taxes (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Jun. 27, 2025
Jun. 28, 2024
Jun. 27, 2025
Jun. 28, 2024
Income Taxes        
Income tax expense (benefit) $ 208 $ 181 $ 1,128 $ (778)
Income tax expense relating to revaluation of deferred tax assets resulting from corporate tax rate decrease in non-U.S. jurisdiction     13  
Increase in valuation allowance for deferred tax assets associated with a ten-year tax credit obtained by a Swiss subsidiary     $ 574  
Income tax benefit associated with a ten-year tax credit obtained by a Swiss subsidiary       $ 874
Duration of income tax benefit associated with a tax credit obtained by a Swiss subsidiary     10 years 10 years
Income tax benefit relating to revaluation of deferred tax assets resulting from corporate tax rate increase in Switzerland       $ 262
Income tax benefit associated with the tax impacts of a legal entity restructuring       118
Non-income tax expense related to a legal entity restructuring       $ 4
Unrecognized income tax benefits, approximate amount that could be resolved in next twelve months $ 30   $ 30