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. 27, 2025	Sep. 28, 2024	Sep. 30, 2023
Share-Based Payment Arrangement [Abstract]
Stock option compensation expense		$ 70	$ 71	$ 76
RSU compensation expense		1,293	1,295	1,067
Total equity-based compensation expense	[1]	1,363	1,366	1,143
Tax impact		(275)	(285)	(260)
Reduction in net income		1,088	1,081	883
Equity-based compensation expense capitalized during the period		$ 194	$ 201	$ 145

[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.