Compensation Expense Related to Stock Options, Stock Appreciation Rights and Restricted Stock Units (Details) - USD ($) $ in Millions		3 Months Ended
		Jan. 01, 2022	Jan. 02, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options		$ 24	$ 25
RSUs		172	109
Total equity-based compensation expense	[1]	196	134
Equity-based compensation expense capitalized during the period		$ 30	$ 34

[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.