Income Tax Expense / (Benefit) (Detail) - USD ($) $ in Millions		12 Months Ended
		Oct. 01, 2022	Oct. 02, 2021	Oct. 03, 2020
Current
Federal		$ 436	$ 594	$ 95
State		282	129	148
Foreign	[1]	846	554	731
Current Income Tax Expense (Benefit), Total		1,564	1,277	974
Deferred
Federal		407	(526)	279
State		26	(220)	(29)
Foreign		(265)	(506)	(525)
Deferred Income Tax Expense (Benefit), Total		168	(1,252)	(275)
Income tax expense from continuing operations		1,732	25	699
Income Tax Expense (Benefit), Discontinued Operation		(14)	(9)	(10)
Income Tax Expense (Benefit), Continuing Operations, Discontinued Operations		$ 1,718	$ 16	$ 689

[1] Includes foreign withholding taxes.