Equity-Based Compensation - Impact of Stock Options/Rights and Restricted Stock Units on Income and Cash Flows (Detail) - USD ($) $ in Millions		12 Months Ended
		Oct. 01, 2022	Oct. 02, 2021	Oct. 03, 2020
Share-Based Payment Arrangement [Abstract]
Stock option compensation expense		$ 88	$ 95	$ 101
RSU compensation expense		889	505	424
Total equity-based compensation expense	[1]	977	600	525
Tax impact		(221)	(136)	(118)
Reduction in net income		756	464	407
Equity-based compensation expense capitalized during the period		$ 148	$ 112	$ 87

[1] Equity-based compensation expense is net of capitalized equity-based compensation and estimated forfeitures and excludes amortization of previously capitalized equity-based compensation costs.