Income Taxes (Reconciliation of the Statutory U.S. Federal Income Tax Rate With Our Effective Income Tax Rate) (Details) - USD ($)	12 Months Ended
	Oct. 01, 2023	Oct. 02, 2022	Oct. 03, 2021
Income Tax Disclosure [Abstract]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%	21.00%	21.00%
State income taxes, net of federal tax benefit	3.40%	3.30%	2.70%
Benefits and taxes related to foreign operations	0.40%	0.30%	0.50%
Effective Income Tax Rate Reconciliation, Valuation Allowance, Percent	0.00%	0.00%	(1.30%)
Other, net	(1.20%)	(2.20%)	(1.30%)
Effective tax rate	23.60%	22.40%	21.60%
Subsidiaries [Member]
Tax Credit Carryforward [Line Items]
Gross taxable temporary difference	$ 2,500,000,000
Deferred Tax Liability Not Recognized, Amount of Unrecognized Deferred Tax Liability, Undistributed Earnings of Foreign Subsidiaries	$ 250,000,000