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SEC Schedule, Article 12-09, Valuation and Qualifying Accounts (Details) - USD ($)
$ in Millions
 12 Months Ended
Sep. 30, 2023
Oct. 01, 2022
Oct. 02, 2021
Oct. 03, 2020
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]        
Auditor Firm ID 238      
Allowance for Doubtful Accounts [Member]        
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]        
Balance at Beginning and End of Period $ 31 $ 29 $ 25 $ 26
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]        
Balance at Beginning and End of Period 31 29 25 26
Charged to Costs and Expenses 12 6 5  
Charged to Other Accounts 0 0 0  
(Deductions) 10 2 6  
Inventory Lower of Cost or Market Allowance [Member]        
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]        
Balance at Beginning and End of Period 145 60 47 27
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]        
Balance at Beginning and End of Period 145 60 47 27
Charged to Costs and Expenses 333 36 79  
Charged to Other Accounts 0 0 0  
(Deductions) 248 23 59  
Valuation Allowance on Deferred Tax Assets [Member]        
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]        
Balance at Beginning and End of Period 199 195 151 127
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]        
Balance at Beginning and End of Period 199 195 151 $ 127
Charged to Costs and Expenses 4 44 24  
Charged to Other Accounts 0 0 0  
(Deductions) $ 0 $ 0 $ 0