Goodwill and Intangible Assets (Schedule of Definite-Lived Intangible Assets) (Details) - USD ($) $ in Millions	Aug. 02, 2025	Feb. 01, 2025	Aug. 03, 2024
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying ‎Amount	$ 482	$ 516	$ 516
Accumulated ‎Amortization	$ 418	425	415
Weighted-Average Useful Life Remaining ‎	7 years
Best Buy Health Optimization and China Sourcing Initiative
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying ‎Amount	$ 34
Accumulated ‎Amortization	16
Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying ‎Amount	339	360	360
Accumulated ‎Amortization	$ 284	285	280
Weighted-Average Useful Life Remaining ‎	8 years
Tradenames
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying ‎Amount	$ 87	92	92
Accumulated ‎Amortization	$ 78	79	75
Weighted-Average Useful Life Remaining ‎	1 year 2 months 12 days
Developed technology
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying ‎Amount	$ 56	64	64
Accumulated ‎Amortization	$ 56	$ 61	$ 60