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Fair Value of Non-marketable Equity Securities - Schedule of Carrying Value of Non-marketable Equity Securities (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Oct. 26, 2025
Oct. 27, 2024
Oct. 26, 2025
Oct. 27, 2024
Fair Value Disclosures [Abstract]        
Balance at beginning of period $ 3,799 $ 1,819 $ 3,387 $ 1,321
Net additions 3,704 409 4,652 830
Unrealized gains 758 23 1,088 115
Reclassification 0 0 (848) 0
Impairments and unrealized losses (74) (14) (92) (29)
Balance at end of period $ 8,187 $ 2,237 $ 8,187 $ 2,237