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Debt - Additional Information (Details) - USD ($)
$ in Millions
Dec. 30, 2023
Sep. 30, 2023
Debt Instrument [Line Items]    
Commercial paper $ 1,998 $ 5,985
Fixed-rate notes, aggregate carrying amount 106,000 105,100
Commercial paper    
Debt Instrument [Line Items]    
Commercial paper 2,000 6,000
Level 2    
Debt Instrument [Line Items]    
Fixed-rate notes, aggregate fair value $ 96,700 $ 90,800