Segment Information - Narrative (Details) $ in Millions	12 Months Ended
	Jan. 25, 2026 USD ($) segment	Jan. 26, 2025 USD ($)	Jan. 28, 2024 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | segment	2
Depreciation and amortization	$ 2,843	$ 1,864	$ 1,508
Non-US | Revenue | Customer Concentration Risk
Segment Reporting Information [Line Items]
Concentration risk (as percent)	31.00%	41.00%	48.00%
Compute & Networking
Segment Reporting Information [Line Items]
Depreciation and amortization	$ 1,600	$ 732	$ 457
Compute & Networking | Revenue | Customer Concentration Risk | Customer one
Segment Reporting Information [Line Items]
Concentration risk (as percent)	22.00%	12.00%	13.00%
Compute & Networking | Revenue | Customer Concentration Risk | Customer two
Segment Reporting Information [Line Items]
Concentration risk (as percent)	14.00%	11.00%
Graphics
Segment Reporting Information [Line Items]
Depreciation and amortization	$ 590	$ 372	$ 307