Debt (Major Components Of Debt) (Details) - USD ($)		12 Months Ended
	Mar. 08, 2024	Sep. 27, 2025	Sep. 28, 2024	Nov. 01, 2023
Debt Instrument [Line Items]
Finance Lease, Liability		$ 168,000,000	$ 126,000,000
Discount on senior notes		(34,000,000)	(36,000,000)
Other		251,000,000	168,000,000
Unamortized debt issuance costs		(40,000,000)	(46,000,000)
Total debt		8,830,000,000	9,787,000,000
Less current debt		909,000,000	74,000,000
Total long-term debt		7,921,000,000	9,713,000,000
4.00% Notes due March 2026 (“2026 Notes”)
Debt Instrument [Line Items]
Long-term Debt, Gross		800,000,000	800,000,000
3.55% Notes due June 2027
Debt Instrument [Line Items]
Long-term Debt, Gross		1,350,000,000	1,350,000,000
7.00% Notes due January 2028
Debt Instrument [Line Items]
Long-term Debt, Gross		18,000,000	18,000,000
4.35% Notes due March 2029 (“2029 Notes”)
Debt Instrument [Line Items]
Long-term Debt, Gross		1,000,000,000	1,000,000,000
6.13% Notes due November 2032
Debt Instrument [Line Items]
Long-term Debt, Gross		157,000,000	157,000,000
4.88% Notes due August 2034
Debt Instrument [Line Items]
Long-term Debt, Gross		500,000,000	500,000,000
5.15% Notes due August 2044
Debt Instrument [Line Items]
Long-term Debt, Gross		497,000,000	500,000,000
4.55% Notes due June 2047
Debt Instrument [Line Items]
Long-term Debt, Gross		733,000,000	750,000,000
5.10% Notes due September 2048 (“2048 Notes”)
Debt Instrument [Line Items]
Long-term Debt, Gross		1,490,000,000	1,500,000,000
Term Loan Facility Due May 2026
Debt Instrument [Line Items]
Long-term Debt, Gross		0	750,000,000
Repayments of Debt	$ 250,000,000
Term Loan Facility Due May 2028
Debt Instrument [Line Items]
Long-term Debt, Gross		440,000,000	750,000,000
Debt Instrument, Unused Borrowing Capacity, Amount				$ 750,000,000
Repayments of Debt		310,000,000
Five Point Four Zero Percentage Senior Unsecured Notes Due March, Two Thousand and Twenty Nine
Debt Instrument [Line Items]
Long-term Debt, Gross	600,000,000	600,000,000	600,000,000
Five Point Seven Zero Percentage Senior Unsecured Notes Due March, Two Thousand and Thirty Four
Debt Instrument [Line Items]
Long-term Debt, Gross	$ 900,000,000	900,000,000	900,000,000
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Revolving credit facility		0	0
Commercial paper [Member]
Debt Instrument [Line Items]
Commercial paper		$ 0	$ 0