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v3.22.4

Summary of Significant Accounting Policies (Narrative) (Details) | 12 Months Ended
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Jan. 28, 2023 USD ($) segment | Jan. 29, 2022 USD ($) | Jan. 30, 2021 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Number of Operating Segments | segment | 2 |  |
Allowances for uncollectible receivables | $ 30,000,000 | $ 39,000,000 |
Write-offs | 41,000,000 | 52,000,000 |
Goodwill | $ 1,383,000,000 | $ 1,384,000,000 |
Percentage of Commissions on Sale of Extended Warranties to Revenue | 0.90% | 1.40% | 1.60%
Gift card redemption within 1 year, percentage | 90.00% |  |
Revenue recognized | $ 1,346,000,000 | $ 924,000,000 |
Period of Expiration for Customer Loyalty Certificates, Low End of Range | 2 months |  |
Advertising expense | $ 864,000,000 | $ 915,000,000 | $ 819,000,000
Branded cards | 25.00% | 25.00% | 25.00%
2028 Notes [Member] |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Debt | $ 500,000,000 |  |
Best Buy Health [Member] |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Goodwill | 891,000,000 |  |
Best Buy Domestic [Member] |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Goodwill | 492,000,000 |  |
Best Buy Gift Cards [Member] |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Revenue recognized | $ 59,000,000 | $ 49,000,000 | $ 33,000,000
Minimum [Member] |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Term of contract | 1 month |  |
Customer loyalty program, certificate expiration period | 1 month |  |
Minimum [Member] | Software [Member] |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Estimated useful lives | 2 years |  |
Maximum [Member] |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Term of contract | 1 year |  |
Customer loyalty program, certificate expiration period | 5 years |  |
Maximum [Member] | Software [Member] |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Estimated useful lives | 5 years |  |

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