v3.25.1
Fair Value of Financial Assets and Non-marketable Equity Securities (Tables)
 3 Months Ended
Apr. 27, 2025
Fair Value Disclosures [Abstract]  
Schedule of Fair Value of Financial Assets and Liabilities
The fair values of our financial assets are determined using quoted market prices of identical assets or market prices of similar assets from active markets. We review fair value classification on a quarterly basis.
Pricing CategoryFair Value at
Apr 27, 2025Jan 26, 2025
(In millions)
Assets
Cash equivalents and marketable securities:
Money market fundsLevel 1$6,522 $3,760 
Publicly-held equity securitiesLevel 1$1,251 $381 
Debt securities issued by the U.S. TreasuryLevel 2$23,251 $16,769 
Corporate debt securitiesLevel 2$20,051 $18,526 
Debt securities issued by U.S. government agenciesLevel 2$2,145 $2,777 
Certificates of depositLevel 2$126 $97 
Foreign government bondsLevel 2$41 $177 
Schedule of Equity Securities without Readily Determinable Fair Value
Adjustments to the carrying value of our non-marketable equity securities during the first quarter of fiscal years 2026 and 2025 were as follows:
Three Months Ended
Apr 27, 2025Apr 28, 2024
(In millions)
Balance at beginning of period$3,387 $1,321 
Adjustments related to non-marketable equity securities:
Net additions649 127 
Unrealized gains63 15 
Reclassification (1)
(843)— 
Impairments and unrealized losses(16)— 
Balance at end of period$3,240 $1,463 
(1)    In the first quarter of fiscal year 2026, our investment in CoreWeave was reclassified from non-marketable equity securities to marketable securities following public market trading.