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Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
Income Taxes (Details) - USD ($) $ in Millions	Jun. 25, 2023	Sep. 24, 2023	Sep. 25, 2022
Income Taxes
Effective income tax rate (benefit)	1.00%
Other Current Liabilities
Income Taxes
Accrued Income Taxes, Current	$ 1,400		$ 634
Forecast
Income Taxes
Effective income tax rate (benefit)		6.00%
Effective Income Tax Rate, at Federal Statutory Income Tax Rate, Percent		21.00%
Forecast \| FDII Effective Tax Rate
Income Taxes
Effective income tax rate (benefit)		13.00%
Forecast \| FDII Tax Rate Effective 2027
Income Taxes
Effective income tax rate (benefit)		16.00%