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Commitments (Narrative) (Details) - USD ($)
$ in Millions
Apr. 01, 2023
Oct. 01, 2022
Apr. 02, 2022
Guarantor Obligations [Line Items]      
Guarantor Obligations, Current Carrying Value $ 0 $ 0  
Potential maximum obligation under cash flow assistance programs 295    
Total receivables under cash flow assistance programs 11 6  
Cash Flow Assistance Program, Estimated Allowance For Uncollectible Receivables 3 0  
Restricted Cash 0   $ 64
Restricted Cash, Noncurrent $ 0 $ 0  
Restricted Cash and Cash Equivalents, Noncurrent, Statement of Financial Position [Extensible Enumeration] Other Assets Other Assets  
Industrial Revenue Bonds [Member]      
Guarantor Obligations [Line Items]      
Industrial Revenue Bonds $ 797    
Guarantee Obligations [Member]      
Guarantor Obligations [Line Items]      
Guarantor Obligations, Maximum Exposure, Undiscounted $ 0