v3.25.1
Debt (Major Components Of Debt) (Details) - USD ($)
6 Months Ended
Mar. 29, 2025
Sep. 28, 2024
Mar. 08, 2024
Debt Instrument [Line Items]      
Document Period End Date Mar. 29, 2025    
Finance Lease, Liability $ 157,000,000 $ 126,000,000  
Discount on senior notes (35,000,000) (36,000,000)  
Other 164,000,000 168,000,000  
Unamortized debt issuance costs (43,000,000) (46,000,000)  
Total debt 9,068,000,000 9,787,000,000  
Less current debt 896,000,000 74,000,000  
Less current debt 8,172,000,000 9,713,000,000  
Revolving Credit Facility [Member]      
Debt Instrument [Line Items]      
Revolving credit facility 0 0  
Commercial paper      
Debt Instrument [Line Items]      
Commercial paper $ 0 0  
4.00% Notes due March 2026 (“2026 Notes”)      
Debt Instrument [Line Items]      
Debt Instrument, Interest Rate, Stated Percentage 4.00%    
Long-term Debt, Gross $ 800,000,000 800,000,000  
3.55% Notes due June 2027      
Debt Instrument [Line Items]      
Debt Instrument, Interest Rate, Stated Percentage 3.55%    
Long-term Debt, Gross $ 1,350,000,000 1,350,000,000  
7.00% Notes due January 2028      
Debt Instrument [Line Items]      
Debt Instrument, Interest Rate, Stated Percentage 7.00%    
Long-term Debt, Gross $ 18,000,000 18,000,000  
4.35% Notes due March 2029 (“2029 Notes”)      
Debt Instrument [Line Items]      
Debt Instrument, Interest Rate, Stated Percentage 4.35%    
Long-term Debt, Gross $ 1,000,000,000 1,000,000,000  
6.13% Notes due November 2032      
Debt Instrument [Line Items]      
Debt Instrument, Interest Rate, Stated Percentage 6.13%    
Long-term Debt, Gross $ 157,000,000 157,000,000  
4.88% Notes due August 2034      
Debt Instrument [Line Items]      
Debt Instrument, Interest Rate, Stated Percentage 4.88%    
Long-term Debt, Gross $ 500,000,000 500,000,000  
5.15% Notes due August 2044      
Debt Instrument [Line Items]      
Debt Instrument, Interest Rate, Stated Percentage 5.15%    
Long-term Debt, Gross $ 500,000,000 500,000,000  
4.55% Notes due June 2047      
Debt Instrument [Line Items]      
Debt Instrument, Interest Rate, Stated Percentage 4.55%    
Long-term Debt, Gross $ 750,000,000 750,000,000  
5.10% Notes due September 2048 (“2048 Notes”)      
Debt Instrument [Line Items]      
Debt Instrument, Interest Rate, Stated Percentage 5.10%    
Long-term Debt, Gross $ 1,500,000,000 1,500,000,000  
Term Loan Facility Due May 2025      
Debt Instrument [Line Items]      
Long-term Debt, Gross $ 0 750,000,000  
Term Loan Facility Due May 2028      
Debt Instrument [Line Items]      
Debt Instrument, Interest Rate, Stated Percentage 6.18%    
Long-term Debt, Gross $ 750,000,000 750,000,000  
Five Point Four Zero Percentage Senior Notes Due March, Two Thousand and Twenty Nine      
Debt Instrument [Line Items]      
Debt Instrument, Interest Rate, Stated Percentage 5.40%    
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]      
Debt Instrument, Interest Rate, Stated Percentage 5.70%    
Long-term Debt, Gross $ 900,000,000 $ 900,000,000 $ 900,000,000