Leases - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
Jan. 25, 2026	Jan. 26, 2025	Jan. 28, 2024
Lessee, Lease, Description [Line Items]
Lease not yet commenced, undiscounted amount	$ 22,700
Operating lease expense	$ 462	$ 356	$ 269
Weighted average remaining lease term - operating leases	8 years 9 months 18 days	6 years 6 months
Weighted average discount rate - operating leases	4.38%	4.16%
Minimum
Lessee, Lease, Description [Line Items]
Lease not yet commenced, term of contract	1 year 9 months 18 days
Maximum
Lessee, Lease, Description [Line Items]
Lease not yet commenced, term of contract	20 years

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Term of lessee's operating lease not yet commenced, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

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Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of unrecorded obligation to transfer funds in future for fixed or minimum amount or quantity of product and service at fixed or minimum price. Includes, but is not limited to, lease not yet commenced and take-or-pay and throughput contracts.

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