Amortizable Intangible Assets and Goodwill (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 26, 2025	Oct. 27, 2024	Oct. 26, 2025	Oct. 27, 2024	Jan. 26, 2025
Amortizable intangible assets components
Gross Carrying Amount	$ 3,687		$ 3,687		$ 3,349
Accumulated Amortization	(2,751)		(2,751)		(2,542)
Net Carrying Amount	936		936		807
Amortization expense	96	$ 149	338	$ 438
Amortization expense associated with intangible assets
2026 (excluding the first nine months, of fiscal year 2026)	107		107
2027	416		416
2028	222		222
2029	87		87
2030	11		11
2031 and thereafter	93		93
Net Carrying Amount	936		936		807
Increase in carrying amount of goodwill			1,100
Acquisition-related intangible assets
Amortizable intangible assets components
Gross Carrying Amount	3,146		3,146		2,900
Accumulated Amortization	(2,456)		(2,456)		(2,264)
Net Carrying Amount	690		690		636
Amortization expense associated with intangible assets
Net Carrying Amount	690		690		636
Patents and licensed technology
Amortizable intangible assets components
Gross Carrying Amount	541		541		449
Accumulated Amortization	(295)		(295)		(278)
Net Carrying Amount	246		246		171
Amortization expense associated with intangible assets
Net Carrying Amount	$ 246		$ 246		$ 171