Debt (Narrative) (Details) - USD ($)				12 Months Ended
	Jan. 29, 2025	Mar. 08, 2024	Nov. 01, 2023	Sep. 27, 2025	Sep. 28, 2024	Sep. 30, 2023	Apr. 15, 2025
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount				$ 34,000,000	$ 36,000,000
Long-Term Debt, Maturity, Year One				909,000,000
Long-Term Debt, Maturity, Year Two				1,400,000,000
Long-Term Debt, Maturity, Year Three				499,000,000
Long-Term Debt, Maturity, Year Four				1,626,000,000
Long-Term Debt, Maturity, Year Five				22,000,000
Repayments of Commercial Paper				0	2,285,000,000	$ 7,103,000,000
State Income Taxes				$ 36,000,000	$ 28,000,000	$ 21,000,000
Effective Income Tax Reconciliation, Remeasurement of Deferred Income Taxes				0.00%	(0.90%)	3.80%
Debt Instrument, Repurchase Amount				$ 30,000,000
3.55% Notes due June 2027
Debt Instrument [Line Items]
Long-term Debt, Gross				$ 1,350,000,000	$ 1,350,000,000
Debt Instrument, Interest Rate, Stated Percentage				3.55%
7.00% Notes due January 2028
Debt Instrument [Line Items]
Long-term Debt, Gross				$ 18,000,000	18,000,000
Debt Instrument, Interest Rate, Stated Percentage				7.00%
6.13% Notes due November 2032
Debt Instrument [Line Items]
Long-term Debt, Gross				$ 157,000,000	157,000,000
Debt Instrument, Interest Rate, Stated Percentage				6.13%
4.88% Notes due August 2034
Debt Instrument [Line Items]
Long-term Debt, Gross				$ 500,000,000	500,000,000
Debt Instrument, Interest Rate, Stated Percentage				4.88%
5.15% Notes due August 2044
Debt Instrument [Line Items]
Long-term Debt, Gross				$ 497,000,000	500,000,000
Debt Instrument, Interest Rate, Stated Percentage				5.15%
4.55% Notes due June 2047
Debt Instrument [Line Items]
Long-term Debt, Gross				$ 733,000,000	750,000,000
Debt Instrument, Interest Rate, Stated Percentage				4.55%
5.10% Notes due September 2048 (“2048 Notes”)
Debt Instrument [Line Items]
Long-term Debt, Gross				$ 1,490,000,000	1,500,000,000
Debt Instrument, Interest Rate, Stated Percentage				5.10%
4.35% Notes due March 2029 (“2029 Notes”)
Debt Instrument [Line Items]
Long-term Debt, Gross				$ 1,000,000,000	1,000,000,000
Debt Instrument, Interest Rate, Stated Percentage				4.35%
4.00% Notes due March 2026 (“2026 Notes”)
Debt Instrument [Line Items]
Long-term Debt, Gross				$ 800,000,000	800,000,000
Debt Instrument, Interest Rate, Stated Percentage				4.00%
Term Loan Facility Due May 2026
Debt Instrument [Line Items]
Long-term Debt, Gross				$ 0	750,000,000
Extinguishment of Debt, Amount	$ 750,000,000
Debt Instrument, Interest Rate, Stated Percentage				6.40%
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, Interest Rate, Stated Percentage				6.97%
Debt Instrument, Unused Borrowing Capacity, Amount			$ 750,000,000
Repayments of Debt				$ 310,000,000
5.40 Senior Unsecured Notes due March 2029 and 5.70 Senior Unsecured Notes Due March 2034 [Domain]
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount		3,000,000
Long-Term Debt		1,500,000,000
Debt Issuance Costs, Gross		14,000,000
5.40 Senior Unsecured Notes due March 2029 and 5.70 Senior Unsecured Notes Due March 2034 [Domain] | Senior Unsecured Notes
Debt Instrument [Line Items]
Proceeds from Issuance of Long-Term Debt				1,497,000,000
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
Debt Instrument, Interest Rate, Stated Percentage				5.40%
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
Debt Instrument, Interest Rate, Stated Percentage				5.70%
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity				$ 2,500,000,000
Amount available for borrowing under credit facility				2,500,000,000
Revolving credit facility				0	0
Line of Credit Facility, Contingent Additional Borrowing Capacity							$ 500,000,000
Standby Letters of Credit [Member]
Debt Instrument [Line Items]
Letters of Credit Outstanding, Amount				0
Bilateral Letters Of Credit [Member]
Debt Instrument [Line Items]
Letters of Credit Outstanding, Amount				83,000,000
Commercial paper [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity				1,750,000,000
Commercial paper				$ 0	$ 0
Repayments of Commercial Paper			$ 592,000,000