v3.26.1
Cash Equivalents and Marketable Securities - Schedule of Securities (Details) - USD ($)
$ in Millions
Apr. 26, 2026
Jan. 25, 2026
Summary of cash equivalents and marketable securities:    
Unrealized Gain $ 94 $ 174
Unrealized Loss (17) (6)
Estimated Fair Value 39,233  
Cost of Amortized Cost, Total 49,368 47,182
Estimated fair Value, Total 88,546 65,076
Debt securities issued by the U.S. Treasury | Level 2    
Summary of cash equivalents and marketable securities:    
Cost or Amortized Cost 21,883 21,635
Unrealized Gain 43 77
Unrealized Loss (8) (3)
Estimated Fair Value 21,918 21,709
Corporate debt securities | Level 2    
Summary of cash equivalents and marketable securities:    
Cost or Amortized Cost 15,092 15,410
Unrealized Gain 48 92
Unrealized Loss (8) (3)
Estimated Fair Value 15,132 15,499
Debt securities issued by U.S. government agencies | Level 2    
Summary of cash equivalents and marketable securities:    
Cost or Amortized Cost 2,009 2,157
Unrealized Gain 2 4
Unrealized Loss (1) 0
Estimated Fair Value 2,010 2,161
Certificates of deposit | Level 2    
Summary of cash equivalents and marketable securities:    
Cost or Amortized Cost 132 110
Unrealized Gain 0 0
Unrealized Loss 0 0
Estimated Fair Value 132 110
Foreign government bonds | Level 2    
Summary of cash equivalents and marketable securities:    
Cost or Amortized Cost 40 40
Unrealized Gain 1 1
Unrealized Loss 0 0
Estimated Fair Value 41 41
Money market funds | Level 1    
Summary of cash equivalents and marketable securities:    
Cost or Amortized Cost 10,212 7,830
Unrealized Gain 0 0
Unrealized Loss 0 0
Estimated Fair Value 10,212 7,830
Publicly-held equity securities    
Summary of cash equivalents and marketable securities:    
Short-term investments 27,400 10,500
Publicly-held equity securities | Level 2    
Summary of cash equivalents and marketable securities:    
Marketable Equity Securities 9,214  
Publicly-held equity securities | Level 1    
Summary of cash equivalents and marketable securities:    
Marketable Equity Securities 29,887 17,726
Cash Equivalents    
Summary of cash equivalents and marketable securities:    
Cash Equivalents 12,347 8,285
Cash Equivalents | Debt securities issued by the U.S. Treasury | Level 2    
Summary of cash equivalents and marketable securities:    
Cash Equivalents 470 0
Cash Equivalents | Corporate debt securities | Level 2    
Summary of cash equivalents and marketable securities:    
Cash Equivalents 1,533 345
Cash Equivalents | Debt securities issued by U.S. government agencies | Level 2    
Summary of cash equivalents and marketable securities:    
Cash Equivalents 0 0
Cash Equivalents | Certificates of deposit | Level 2    
Summary of cash equivalents and marketable securities:    
Cash Equivalents 132 110
Cash Equivalents | Foreign government bonds | Level 2    
Summary of cash equivalents and marketable securities:    
Cash Equivalents 0 0
Cash Equivalents | Money market funds | Level 1    
Summary of cash equivalents and marketable securities:    
Cash Equivalents 10,212 7,830
Cash Equivalents | Publicly-held equity securities | Level 2    
Summary of cash equivalents and marketable securities:    
Cash Equivalents 0  
Cash Equivalents | Publicly-held equity securities | Level 1    
Summary of cash equivalents and marketable securities:    
Cash Equivalents 0 0
Marketable Debt Securities    
Summary of cash equivalents and marketable securities:    
Marketable Debt Securities 37,098 39,065
Marketable Debt Securities | Debt securities issued by the U.S. Treasury | Level 2    
Summary of cash equivalents and marketable securities:    
Marketable Debt Securities 21,448 21,709
Marketable Debt Securities | Corporate debt securities | Level 2    
Summary of cash equivalents and marketable securities:    
Marketable Debt Securities 13,599 15,154
Marketable Debt Securities | Debt securities issued by U.S. government agencies | Level 2    
Summary of cash equivalents and marketable securities:    
Marketable Debt Securities 2,010 2,161
Marketable Debt Securities | Certificates of deposit | Level 2    
Summary of cash equivalents and marketable securities:    
Marketable Debt Securities 0 0
Marketable Debt Securities | Foreign government bonds | Level 2    
Summary of cash equivalents and marketable securities:    
Marketable Debt Securities 41 41
Marketable Debt Securities | Money market funds | Level 1    
Summary of cash equivalents and marketable securities:    
Marketable Debt Securities 0 0
Marketable Debt Securities | Publicly-held equity securities | Level 2    
Summary of cash equivalents and marketable securities:    
Marketable Debt Securities 0  
Marketable Debt Securities | Publicly-held equity securities | Level 1    
Summary of cash equivalents and marketable securities:    
Marketable Debt Securities 0 0
Marketable Equity Securities    
Summary of cash equivalents and marketable securities:    
Marketable Equity Securities 30,237 12,886
Marketable Equity Securities | Debt securities issued by the U.S. Treasury | Level 2    
Summary of cash equivalents and marketable securities:    
Marketable Equity Securities 0 0
Marketable Equity Securities | Corporate debt securities | Level 2    
Summary of cash equivalents and marketable securities:    
Marketable Equity Securities 0 0
Marketable Equity Securities | Debt securities issued by U.S. government agencies | Level 2    
Summary of cash equivalents and marketable securities:    
Marketable Equity Securities 0 0
Marketable Equity Securities | Certificates of deposit | Level 2    
Summary of cash equivalents and marketable securities:    
Marketable Equity Securities 0 0
Marketable Equity Securities | Foreign government bonds | Level 2    
Summary of cash equivalents and marketable securities:    
Marketable Equity Securities 0 0
Marketable Equity Securities | Money market funds | Level 1    
Summary of cash equivalents and marketable securities:    
Marketable Equity Securities 0 0
Marketable Equity Securities | Publicly-held equity securities | Level 2    
Summary of cash equivalents and marketable securities:    
Marketable Equity Securities 9,214  
Marketable Equity Securities | Publicly-held equity securities | Level 1    
Summary of cash equivalents and marketable securities:    
Marketable Equity Securities 21,023 12,886
Other Assets    
Summary of cash equivalents and marketable securities:    
Other Assets 8,864 4,840
Other Assets | Debt securities issued by the U.S. Treasury | Level 2    
Summary of cash equivalents and marketable securities:    
Other Assets 0 0
Other Assets | Corporate debt securities | Level 2    
Summary of cash equivalents and marketable securities:    
Other Assets 0 0
Other Assets | Debt securities issued by U.S. government agencies | Level 2    
Summary of cash equivalents and marketable securities:    
Other Assets 0 0
Other Assets | Certificates of deposit | Level 2    
Summary of cash equivalents and marketable securities:    
Other Assets 0 0
Other Assets | Foreign government bonds | Level 2    
Summary of cash equivalents and marketable securities:    
Other Assets 0 0
Other Assets | Money market funds | Level 1    
Summary of cash equivalents and marketable securities:    
Other Assets 0 0
Other Assets | Publicly-held equity securities | Level 2    
Summary of cash equivalents and marketable securities:    
Other Assets 0  
Other Assets | Publicly-held equity securities | Level 1    
Summary of cash equivalents and marketable securities:    
Marketable Equity Securities 8,900 4,800
Other Assets $ 8,864 $ 4,840