Long-Term Debt, Fiscal 2021 Activity (Details) $ in Millions	9 Months Ended
	Jul. 03, 2021 USD ($)
0.95% First Priority Senior Secured Notes [Member]
Long-Term Debt [Abstract]
Face amount of debt issued	$ 800
Interest rate	0.95%
1.57% First Priority Senior Secured Notes [Member]
Long-Term Debt [Abstract]
Face amount of debt issued	$ 1,525
Interest rate	1.57%
1.57% First Priority Senior Secured Notes [Member] | Other Expense, Net [Member]
Long-Term Debt [Abstract]
Debt extinguishment costs	$ 26
1.65% First Priority Senior Secured Notes [Member]
Long-Term Debt [Abstract]
Face amount of debt issued	$ 400
Interest rate	1.65%