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Fair Value (Tables)
 3 Months Ended
Oct. 26, 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):
 OCTOBER 26, 2024JULY 27, 2024
FAIR VALUE MEASUREMENTSFAIR VALUE MEASUREMENTS
 Level 1Level 2Total
Balance		Level 1Level 2Total
Balance
Assets:
Cash equivalents:
Money market funds$5,871 $— $5,871 $3,334 $— $3,334 
Commercial paper— 112 112 — 468 468 
Corporate debt securities— 18 18 — 25 25 
Certificates of deposit— — — — 14 14 
Available-for-sale debt investments:
U.S. government securities— 2,368 2,368 — 2,353 2,353 
U.S. government agency securities— 153 153 — 221 221 
Non-U.S. government and agency securities— 389 389 — 371 371 
Corporate debt securities— 3,512 3,512 — 3,677 3,677 
U.S. agency mortgage-backed securities— 905 905 — 1,781 1,781 
Commercial paper— 1,193 1,193 — 1,023 1,023 
Certificates of deposit— 674 674 — 439 439 
Equity investments:
Marketable equity securities412 — 412 481 — 481 
Other current assets:
Money market funds750 — 750 750 — 750 
Other assets:
Money market funds375 — 375 563 — 563 
Derivative assets— 61 61 — 64 64 
Total$7,408 $9,385 $16,793 $5,128 $10,436 $15,564 
Liabilities:
Derivative liabilities$— $72 $72 $— $74 $74 
Total$— $72 $72 $— $74 $74