Income Taxes - Provision for Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 27, 2025	Sep. 28, 2024	Sep. 30, 2023
Federal:
Current	$ 11,487	$ 5,571	$ 9,445
Deferred	(1,804)	(3,080)	(3,644)
Total	9,683	2,491	5,801
State:
Current	1,680	1,726	1,570
Deferred	(139)	(298)	(49)
Total	1,541	1,428	1,521
Foreign:
Current	8,891	25,483	8,750
Deferred	604	347	669
Total	9,495	25,830	9,419
Provision for income taxes	$ 20,719	$ 29,749	$ 16,741