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v3.20.1

Restructuring (Composition of Restructuring Charges) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Feb. 01, 2020 | Feb. 02, 2019 | Feb. 03, 2018
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges | $ 41 | $ 46 | $ 10
U.S. Operating Model [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges | $ 41 |  |
Best Buy Mobile [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges |  | 47 | 9
Cumulative Amount |  | 56 |
Best Buy Mobile [Member] | Property and equipment impairments |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges |  |  | 1
Cumulative Amount |  | 1 |
Best Buy Mobile [Member] | Termination Benefits [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges |  | (2) | 8
Cumulative Amount |  | 6 |
Best Buy Mobile [Member] | Facility Closure And Other Costs [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges |  | 49 |
Cumulative Amount |  | 49 |
Other [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges |  | $ (1) | $ 1

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- Definition Amount of costs incurred to date for the specified restructuring cost. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(d)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(1)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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