v3.26.1
Cash Equivalents and Marketable Securities - Schedule of Securities (Details) - USD ($)
$ in Millions
Jul. 26, 2026
Jan. 25, 2026
Summary of cash equivalents and marketable securities:    
Unrealized Gain $ 8 $ 174
Unrealized Loss (56) (6)
Estimated Fair Value 46,900  
Cost of Amortized Cost, Total 55,541 47,182
Estimated fair Value, Total 103,233 65,076
Debt securities issued by the U.S. Treasury | Level 2    
Summary of cash equivalents and marketable securities:    
Cost or Amortized Cost 45,367 21,635
Unrealized Gain 8 77
Unrealized Loss (54) (3)
Estimated Fair Value 45,321 21,709
Corporate debt securities | Level 2    
Summary of cash equivalents and marketable securities:    
Cost or Amortized Cost   15,410
Unrealized Gain   92
Unrealized Loss   (3)
Estimated Fair Value   15,499
Debt securities issued by U.S. government agencies | Level 2    
Summary of cash equivalents and marketable securities:    
Cost or Amortized Cost 1,541 2,157
Unrealized Gain 0 4
Unrealized Loss (2) 0
Estimated Fair Value 1,539 2,161
Certificates of deposit | Level 2    
Summary of cash equivalents and marketable securities:    
Cost or Amortized Cost   110
Unrealized Gain   0
Unrealized Loss   0
Estimated Fair Value   110
Foreign government bonds | Level 2    
Summary of cash equivalents and marketable securities:    
Cost or Amortized Cost   40
Unrealized Gain   1
Unrealized Loss   0
Estimated Fair Value   41
Money market funds | Level 1    
Summary of cash equivalents and marketable securities:    
Cost or Amortized Cost 8,633 7,830
Unrealized Gain 0 0
Unrealized Loss 0 0
Estimated Fair Value 8,633 7,830
Publicly-held equity securities    
Summary of cash equivalents and marketable securities:    
Short-term investments 36,900 10,500
Publicly-held equity securities | Level 2    
Summary of cash equivalents and marketable securities:    
Marketable Equity Securities 10,806  
Publicly-held equity securities | Level 1    
Summary of cash equivalents and marketable securities:    
Marketable Equity Securities 36,934 17,726
Location, Statement of Financial Position, Balance [Axis]: us-gaap:CashAndCashEquivalentsAtCarryingValue    
Summary of cash equivalents and marketable securities:    
Cash Equivalents 21,350 8,285
Location, Statement of Financial Position, Balance [Axis]: us-gaap:CashAndCashEquivalentsAtCarryingValue | Debt securities issued by the U.S. Treasury | Level 2    
Summary of cash equivalents and marketable securities:    
Cash Equivalents 12,318 0
Location, Statement of Financial Position, Balance [Axis]: us-gaap:CashAndCashEquivalentsAtCarryingValue | Corporate debt securities | Level 2    
Summary of cash equivalents and marketable securities:    
Cash Equivalents   345
Location, Statement of Financial Position, Balance [Axis]: us-gaap:CashAndCashEquivalentsAtCarryingValue | Debt securities issued by U.S. government agencies | Level 2    
Summary of cash equivalents and marketable securities:    
Cash Equivalents 399 0
Location, Statement of Financial Position, Balance [Axis]: us-gaap:CashAndCashEquivalentsAtCarryingValue | Certificates of deposit | Level 2    
Summary of cash equivalents and marketable securities:    
Cash Equivalents   110
Location, Statement of Financial Position, Balance [Axis]: us-gaap:CashAndCashEquivalentsAtCarryingValue | Foreign government bonds | Level 2    
Summary of cash equivalents and marketable securities:    
Cash Equivalents   0
Location, Statement of Financial Position, Balance [Axis]: us-gaap:CashAndCashEquivalentsAtCarryingValue | Money market funds | Level 1    
Summary of cash equivalents and marketable securities:    
Cash Equivalents 8,633 7,830
Location, Statement of Financial Position, Balance [Axis]: us-gaap:CashAndCashEquivalentsAtCarryingValue | Publicly-held equity securities | Level 2    
Summary of cash equivalents and marketable securities:    
Cash Equivalents 0  
Location, Statement of Financial Position, Balance [Axis]: us-gaap:CashAndCashEquivalentsAtCarryingValue | Publicly-held equity securities | Level 1    
Summary of cash equivalents and marketable securities:    
Cash Equivalents 0 0
Location, Statement of Financial Position, Balance [Axis]: us-gaap:DebtSecuritiesCurrent    
Summary of cash equivalents and marketable securities:    
Marketable Debt Securities 34,143 39,065
Location, Statement of Financial Position, Balance [Axis]: us-gaap:DebtSecuritiesCurrent | Debt securities issued by the U.S. Treasury | Level 2    
Summary of cash equivalents and marketable securities:    
Marketable Debt Securities 33,003 21,709
Location, Statement of Financial Position, Balance [Axis]: us-gaap:DebtSecuritiesCurrent | Corporate debt securities | Level 2    
Summary of cash equivalents and marketable securities:    
Marketable Debt Securities   15,154
Location, Statement of Financial Position, Balance [Axis]: us-gaap:DebtSecuritiesCurrent | Debt securities issued by U.S. government agencies | Level 2    
Summary of cash equivalents and marketable securities:    
Marketable Debt Securities 1,140 2,161
Location, Statement of Financial Position, Balance [Axis]: us-gaap:DebtSecuritiesCurrent | Certificates of deposit | Level 2    
Summary of cash equivalents and marketable securities:    
Marketable Debt Securities   0
Location, Statement of Financial Position, Balance [Axis]: us-gaap:DebtSecuritiesCurrent | Foreign government bonds | Level 2    
Summary of cash equivalents and marketable securities:    
Marketable Debt Securities   41
Location, Statement of Financial Position, Balance [Axis]: us-gaap:DebtSecuritiesCurrent | Money market funds | Level 1    
Summary of cash equivalents and marketable securities:    
Marketable Debt Securities 0 0
Location, Statement of Financial Position, Balance [Axis]: us-gaap:DebtSecuritiesCurrent | Publicly-held equity securities | Level 2    
Summary of cash equivalents and marketable securities:    
Marketable Debt Securities 0  
Location, Statement of Financial Position, Balance [Axis]: us-gaap:DebtSecuritiesCurrent | Publicly-held equity securities | Level 1    
Summary of cash equivalents and marketable securities:    
Marketable Debt Securities 0 0
Location, Statement of Financial Position, Balance [Axis]: us-gaap:EquitySecuritiesFvNi    
Summary of cash equivalents and marketable securities:    
Marketable Equity Securities 42,783 12,886
Location, Statement of Financial Position, Balance [Axis]: us-gaap:EquitySecuritiesFvNi | Debt securities issued by the U.S. Treasury | Level 2    
Summary of cash equivalents and marketable securities:    
Marketable Equity Securities 0 0
Location, Statement of Financial Position, Balance [Axis]: us-gaap:EquitySecuritiesFvNi | Corporate debt securities | Level 2    
Summary of cash equivalents and marketable securities:    
Marketable Equity Securities   0
Location, Statement of Financial Position, Balance [Axis]: us-gaap:EquitySecuritiesFvNi | Debt securities issued by U.S. government agencies | Level 2    
Summary of cash equivalents and marketable securities:    
Marketable Equity Securities 0 0
Location, Statement of Financial Position, Balance [Axis]: us-gaap:EquitySecuritiesFvNi | Certificates of deposit | Level 2    
Summary of cash equivalents and marketable securities:    
Marketable Equity Securities   0
Location, Statement of Financial Position, Balance [Axis]: us-gaap:EquitySecuritiesFvNi | Foreign government bonds | Level 2    
Summary of cash equivalents and marketable securities:    
Marketable Equity Securities   0
Location, Statement of Financial Position, Balance [Axis]: us-gaap:EquitySecuritiesFvNi | Money market funds | Level 1    
Summary of cash equivalents and marketable securities:    
Marketable Equity Securities 0 0
Location, Statement of Financial Position, Balance [Axis]: us-gaap:EquitySecuritiesFvNi | Publicly-held equity securities | Level 2    
Summary of cash equivalents and marketable securities:    
Marketable Equity Securities 10,806  
Location, Statement of Financial Position, Balance [Axis]: us-gaap:EquitySecuritiesFvNi | Publicly-held equity securities | Level 1    
Summary of cash equivalents and marketable securities:    
Marketable Equity Securities 31,977 12,886
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsNoncurrent    
Summary of cash equivalents and marketable securities:    
Other Assets 4,957 4,840
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsNoncurrent | Debt securities issued by the U.S. Treasury | Level 2    
Summary of cash equivalents and marketable securities:    
Other Assets 0 0
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsNoncurrent | Corporate debt securities | Level 2    
Summary of cash equivalents and marketable securities:    
Other Assets   0
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsNoncurrent | Debt securities issued by U.S. government agencies | Level 2    
Summary of cash equivalents and marketable securities:    
Other Assets 0 0
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsNoncurrent | Certificates of deposit | Level 2    
Summary of cash equivalents and marketable securities:    
Other Assets   0
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsNoncurrent | Foreign government bonds | Level 2    
Summary of cash equivalents and marketable securities:    
Other Assets   0
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsNoncurrent | Money market funds | Level 1    
Summary of cash equivalents and marketable securities:    
Other Assets 0 0
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsNoncurrent | Publicly-held equity securities | Level 2    
Summary of cash equivalents and marketable securities:    
Other Assets 0  
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsNoncurrent | Publicly-held equity securities | Level 1    
Summary of cash equivalents and marketable securities:    
Other Assets 4,957 4,840
Long-term portion of equity securities $ 5,000 $ 4,800