Balance Sheet Components - Accrued and Other Current Liabilities (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 25, 2026	Jan. 26, 2025	Jan. 28, 2024
Accruals [Line Items]
Customer program accruals	$ 5,318	$ 4,880
Accrued purchase consideration	3,921	9
Product warranty	2,807	1,290
Excess inventory purchase obligations	2,739	2,095
Taxes payable	2,669	881
Deferred revenue	1,379	837
Accrued payroll and related expenses	1,146	848
Other	1,373	897
Total accrued and other current liabilities	21,352	11,737
Cost of revenue	62,475	32,639	$ 16,621
Inventory purchase obligations in excess of projections
Accruals [Line Items]
Cost of revenue	3,200	2,000
Customer advances and unearned revenue
Accruals [Line Items]
Deferred revenue	$ 160	$ 81