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. 02, 2021	Oct. 03, 2020	Sep. 28, 2019
Share-based Payment Arrangement [Abstract]
Stock option compensation expense		$ 95	$ 101	$ 84
RSU compensation expense		505	424	627	[1]
Total equity-based compensation expense	[2]	600	525	711
Tax impact		(136)	(118)	(161)
Reduction in net income		464	407	550
Equity-based compensation expense capitalized during the period		$ 112	$ 87	$ 81

[1] Fiscal 2019 includes a $164 million charge for acceleration of TFCF performance RSUs converted to Company RSUs in connection with the TFCF acquisition (see Note 4).

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