Derivative Instruments - Effect of foreign Currency Cash Flow Hedges on AOCI (Details) - USD ($) $ in Millions		12 Months Ended
		Oct. 02, 2021	Oct. 03, 2020
Foreign Currency Fair Value Hedge Derivative [Line Items]
Unrealized Gain (Loss) on Foreign Currency Derivatives, Net, before Tax		$ 61	$ (63)
Foreign Currency Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net	[1]	$ 24	$ 269

[1] Primarily recorded in revenue.