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Fair Value (Tables)
 12 Months Ended
Jul. 29, 2023
Fair Value Disclosures [Abstract]  
Assets and Liabilities Measured at Fair Value on a Recurring Basis
Assets and liabilities measured at fair value on a recurring basis were as follows (in millions):
JULY 29, 2023JULY 30, 2022
FAIR VALUE MEASUREMENTSFAIR VALUE MEASUREMENTS
Level 1Level 2Total
Balance		Level 1Level 2Total
Balance
Assets:
Cash equivalents:
Money market funds$6,496 $— $6,496 $3,930 $— $3,930 
Commercial paper— 1,090 1,090 — 72 72 
Certificates of deposit— 47 47 — 32 32 
Corporate debt securities— 25 25 — 1 1 
U.S. government securities— — — — 12 12 
Available-for-sale debt investments:
U.S. government securities— 3,526 3,526 — 1,238 1,238 
U.S. government agency securities— 423 423 — 138 138 
Non-U.S. government and agency securities— 363 363 — 272 272 
Corporate debt securities— 6,914 6,914 — 7,818 7,818 
U.S. agency mortgage-backed securities— 2,205 2,205 — 1,976 1,976 
Commercial paper— 1,484 1,484 — 255 255 
Certificates of deposit— 677 677 — 250 250 
Equity investments:
Marketable equity securities431 — 431 241 — 241 
Other current assets:
Money market funds188 — 188 — — — 
Other assets:
Money market funds1,313 — 1,313 1,500 — 1,500 
Derivative assets— 32 32 — 78 78 
Total$8,428 $16,786 $25,214 $5,671 $12,142 $17,813 
Liabilities:
Derivative liabilities$— $75 $75 $— $89 $89 
Total$— $75 $75 $— $89 $89