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Fair Value of Non-marketable Equity Securities (Tables)
 9 Months Ended
Oct. 26, 2025
Fair Value Disclosures [Abstract]  
Schedule of Non-marketable Equity Securities
Adjustments to the carrying value of our non-marketable equity securities during the third quarter and first nine months of fiscal years 2026 and 2025 were as follows:
Three Months EndedNine Months Ended
Oct 26, 2025Oct 27, 2024Oct 26, 2025Oct 27, 2024
(In millions)
Balance at beginning of period$3,799 $1,819 $3,387 $1,321 
Adjustments related to non-marketable equity securities:
Net additions3,704 409 4,652 830 
Unrealized gains758 23 1,088 115 
Reclassification (1)
— — (848)— 
Impairments and unrealized losses(74)(14)(92)(29)
Balance at end of period$8,187 $2,237 $8,187 $2,237 
(1) Represents reclassifications from non-marketable equity securities to marketable securities following public market trading.