Income Taxes - Unrecognized Income Tax Benefits (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2022	Sep. 24, 2021	Sep. 25, 2020
Activity related to the Company's unrecognized income tax benefits
Balance at beginning of fiscal year	$ 359	$ 414	$ 542
Additions for tax positions related to prior years	10	14	29
Reductions for tax positions related to prior years	(17)	(77)	(87)
Additions for tax positions related to current year	37	50	39
Current year acquisitions		4
Settlements	(2)	(9)	(12)
Reductions due to lapse of applicable statute of limitations	(100)	(37)	(97)
Balance at end of fiscal year	287	359	414
Unrecognized income tax benefits that would impact income tax provision and effective tax rate	272	378	393
Accrued interest and penalties related to uncertain tax positions	54	53
Income tax expense (benefit) related to interest and penalties	3	$ 12	$ (1)
Unrecognized income tax benefits, approximate amount that could be resolved in next twelve months	$ 20