Equity-Based Compensation - Impact of Stock Options/Rights and Restricted Stock Units on Income and Cash Flows (Detail) - USD ($) $ in Millions		12 Months Ended
		Sep. 30, 2023	Oct. 01, 2022	Oct. 02, 2021
Share-Based Payment Arrangement [Abstract]
Stock option compensation expense		$ 76	$ 88	$ 95
RSU compensation expense		1,067	889	505
Total equity-based compensation expense	[1]	1,143	977	600
Tax impact		(260)	(221)	(136)
Reduction in net income		883	756	464
Equity-based compensation expense capitalized during the period		$ 145	$ 148	$ 112

[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.