v3.26.1
Investments - Summary of Available-for-Sale Investments (Details) - USD ($)
$ in Millions
Jul. 25, 2026
Jul. 26, 2025
Schedule of Investments [Line Items]    
Cost or Amortized Cost $ 8,405  
Cost or Amortized Cost 14,002 $ 14,258
Gross Unrealized Gains 2 15
Gross Unrealized and Credit Losses (68) (107)
Fair Value 8,339  
Cash and cash equivalents 7,218 8,346
Marketable equity securities 361 383
Total 14,297 14,549
Money market funds    
Schedule of Investments [Line Items]    
Cash and cash equivalents 4,868 6,448
Location, Statement of Financial Position, Balance [Axis]: us-gaap:CashAndCashEquivalentsAtCarryingValue    
Schedule of Investments [Line Items]    
Marketable equity securities 0 0
Total 5,597 6,222
Location, Statement of Financial Position, Balance [Axis]: us-gaap:CashAndCashEquivalentsAtCarryingValue | Money market funds    
Schedule of Investments [Line Items]    
Cash and cash equivalents 4,868 5,885
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsCurrent    
Schedule of Investments [Line Items]    
Marketable equity securities   0
Total   563
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsCurrent | Money market funds    
Schedule of Investments [Line Items]    
Cash and cash equivalents   563
Location, Statement of Financial Position, Balance [Axis]: us-gaap:ShortTermInvestments    
Schedule of Investments [Line Items]    
Marketable equity securities 361 383
Total 8,700 7,764
Location, Statement of Financial Position, Balance [Axis]: us-gaap:ShortTermInvestments | Money market funds    
Schedule of Investments [Line Items]    
Cash and cash equivalents 0 0
U.S. government securities    
Schedule of Investments [Line Items]    
Cost or Amortized Cost 1,627 1,971
Gross Unrealized Gains 1 2
Gross Unrealized and Credit Losses (15) (12)
Fair Value 1,613 1,961
U.S. government securities | Location, Statement of Financial Position, Balance [Axis]: us-gaap:CashAndCashEquivalentsAtCarryingValue    
Schedule of Investments [Line Items]    
Fair Value 0 0
U.S. government securities | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsCurrent    
Schedule of Investments [Line Items]    
Fair Value   0
U.S. government securities | Location, Statement of Financial Position, Balance [Axis]: us-gaap:ShortTermInvestments    
Schedule of Investments [Line Items]    
Fair Value 1,613 1,961
U.S. government agency securities    
Schedule of Investments [Line Items]    
Cost or Amortized Cost 41 67
Gross Unrealized Gains 0 0
Gross Unrealized and Credit Losses 0 0
Fair Value 41 67
U.S. government agency securities | Location, Statement of Financial Position, Balance [Axis]: us-gaap:CashAndCashEquivalentsAtCarryingValue    
Schedule of Investments [Line Items]    
Fair Value 0 0
U.S. government agency securities | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsCurrent    
Schedule of Investments [Line Items]    
Fair Value   0
U.S. government agency securities | Location, Statement of Financial Position, Balance [Axis]: us-gaap:ShortTermInvestments    
Schedule of Investments [Line Items]    
Fair Value 41 67
Non-U.S. government and agency securities    
Schedule of Investments [Line Items]    
Cost or Amortized Cost 452 458
Gross Unrealized Gains 0 0
Gross Unrealized and Credit Losses (1) 0
Fair Value 451 458
Non-U.S. government and agency securities | Location, Statement of Financial Position, Balance [Axis]: us-gaap:CashAndCashEquivalentsAtCarryingValue    
Schedule of Investments [Line Items]    
Fair Value 126 0
Non-U.S. government and agency securities | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsCurrent    
Schedule of Investments [Line Items]    
Fair Value   0
Non-U.S. government and agency securities | Location, Statement of Financial Position, Balance [Axis]: us-gaap:ShortTermInvestments    
Schedule of Investments [Line Items]    
Fair Value 325 458
Corporate debt securities    
Schedule of Investments [Line Items]    
Cost or Amortized Cost 2,493 3,139
Gross Unrealized Gains 1 13
Gross Unrealized and Credit Losses (48) (61)
Fair Value 2,446 3,091
Corporate debt securities | Location, Statement of Financial Position, Balance [Axis]: us-gaap:CashAndCashEquivalentsAtCarryingValue    
Schedule of Investments [Line Items]    
Fair Value 45 1
Corporate debt securities | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsCurrent    
Schedule of Investments [Line Items]    
Fair Value   0
Corporate debt securities | Location, Statement of Financial Position, Balance [Axis]: us-gaap:ShortTermInvestments    
Schedule of Investments [Line Items]    
Fair Value 2,401 3,090
Mortgage- and asset-backed securities    
Schedule of Investments [Line Items]    
Cost or Amortized Cost 156 320
Gross Unrealized Gains 0 0
Gross Unrealized and Credit Losses (4) (34)
Fair Value 152 286
Mortgage- and asset-backed securities | Location, Statement of Financial Position, Balance [Axis]: us-gaap:CashAndCashEquivalentsAtCarryingValue    
Schedule of Investments [Line Items]    
Fair Value 0 0
Mortgage- and asset-backed securities | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsCurrent    
Schedule of Investments [Line Items]    
Fair Value   0
Mortgage- and asset-backed securities | Location, Statement of Financial Position, Balance [Axis]: us-gaap:ShortTermInvestments    
Schedule of Investments [Line Items]    
Fair Value 152 286
Commercial paper    
Schedule of Investments [Line Items]    
Cost or Amortized Cost 3,285 1,286
Gross Unrealized Gains 0 0
Gross Unrealized and Credit Losses 0 0
Fair Value 3,285 1,286
Commercial paper | Location, Statement of Financial Position, Balance [Axis]: us-gaap:CashAndCashEquivalentsAtCarryingValue    
Schedule of Investments [Line Items]    
Fair Value 533 336
Commercial paper | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsCurrent    
Schedule of Investments [Line Items]    
Fair Value   0
Commercial paper | Location, Statement of Financial Position, Balance [Axis]: us-gaap:ShortTermInvestments    
Schedule of Investments [Line Items]    
Fair Value 2,752 950
Certificates of deposit    
Schedule of Investments [Line Items]    
Cost or Amortized Cost 1,080 569
Gross Unrealized Gains 0 0
Gross Unrealized and Credit Losses 0 0
Fair Value 1,080 569
Certificates of deposit | Location, Statement of Financial Position, Balance [Axis]: us-gaap:CashAndCashEquivalentsAtCarryingValue    
Schedule of Investments [Line Items]    
Fair Value 25 0
Certificates of deposit | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsCurrent    
Schedule of Investments [Line Items]    
Fair Value   0
Certificates of deposit | Location, Statement of Financial Position, Balance [Axis]: us-gaap:ShortTermInvestments    
Schedule of Investments [Line Items]    
Fair Value $ 1,055 $ 569