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Fair Value (Tables)
 9 Months Ended
Apr. 27, 2024
Fair Value Disclosures [Abstract]  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis
Assets and liabilities measured at fair value on a recurring basis were as follows (in millions):
 APRIL 27, 2024JULY 29, 2023
FAIR VALUE MEASUREMENTSFAIR VALUE MEASUREMENTS
 Level 1Level 2Total
Balance		Level 1Level 2Total
Balance
Assets:
Cash equivalents:
Money market funds$4,625 $— $4,625 $6,496 $— $6,496 
Commercial paper— 519 519 — 1,090 1,090 
Certificates of deposit— — — — 47 47 
Corporate debt securities— 19 19 — 25 25 
Available-for-sale debt investments:
U.S. government securities— 2,362 2,362 — 3,526 3,526 
U.S. government agency securities— 245 245 — 423 423 
Non-U.S. government and agency securities— 390 390 — 363 363 
Corporate debt securities— 3,788 3,788 — 6,914 6,914 
U.S. agency mortgage-backed securities— 1,830 1,830 — 2,205 2,205 
Commercial paper— 563 563 — 1,484 1,484 
Certificates of deposit— 229 229 — 677 677 
Equity investments:
Marketable equity securities450 — 450 431 — 431 
Other current assets:
Money market funds750 — 750 188 — 188 
Other assets:
Money market funds750 — 750 1,313 — 1,313 
Derivative assets— 66 66 — 32 32 
Total$6,575 $10,011 $16,586 $8,428 $16,786 $25,214 
Liabilities:
Derivative liabilities$— $84 $84 $— $75 $75 
Total$— $84 $84 $— $75 $75