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Borrowings - Schedule of Short-Term Debt (Details) - USD ($)
$ in Millions
Jan. 27, 2024
Jul. 29, 2023
Short-term Debt [Line Items]    
Short-term debt $ 4,936 $ 1,733
Senior Notes    
Short-term Debt [Line Items]    
Short-term debt $ 997 $ 1,733
Effective Rate 6.35% 4.45%
Commercial paper    
Short-term Debt [Line Items]    
Short-term debt $ 3,939 $ 0
Effective Rate 5.39% 0.00%