Net Gains or Losses Recognized on Economic Exposures Associated With Foreign Currency Exchange Contracts (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 02, 2022	Apr. 03, 2021	Apr. 02, 2022	Apr. 03, 2021
Costs and Expenses
Derivative Instruments, Gain (Loss) [Line Items]
Net gain (loss) on foreign currency denominated assets and liabilities	$ (82)	$ (97)	$ (145)	$ 61
Net gain (loss) on foreign exchange risk management contracts not designated as hedges	37	91	70	(96)
Net gain (loss)	(45)	(6)	(75)	(35)
Interest Expense
Derivative Instruments, Gain (Loss) [Line Items]
Net gain (loss) on foreign currency denominated assets and liabilities	(13)	(14)	(12)	(55)
Net gain (loss) on foreign exchange risk management contracts not designated as hedges	10	12	10	55
Net gain (loss)	(3)	(2)	(2)	0
Income Taxes
Derivative Instruments, Gain (Loss) [Line Items]
Net gain (loss) on foreign currency denominated assets and liabilities	37	25	45	(34)
Net gain (loss) on foreign exchange risk management contracts not designated as hedges	(35)	(20)	(43)	30
Net gain (loss)	$ 2	$ 5	$ 2	$ (4)