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Restructuring - Narrative (Details) - USD ($) $ in Millions	Jan. 31, 2026	Feb. 01, 2025	Feb. 03, 2024
Fiscal 2026 Labor and Store Optimization Initiative
Restructuring Cost and Reserve [Line Items]
Restructuring reserve	$ 45	$ 0
Best Buy Health Optimization and China Sourcing Initiative
Restructuring Cost and Reserve [Line Items]
Restructuring reserve	10	0
2024 Resource Optimization Initiative
Restructuring Cost and Reserve [Line Items]
Restructuring reserve	$ 31	$ 85	$ 171

- Definition

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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