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Comprehensive Income (Tables) | 6 Months Ended
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Jul. 29, 2017
Equity [Abstract] |
Schedule of Accumulated Other Comprehensive Income (Loss) | The following tables provide a reconciliation of the components of accumulated other comprehensive income, net of tax, attributable to Best Buy Co., Inc. for the three and six months ended July 29, 2017, and July 30, 2016 ($ in millions):
| Foreign Currency Translation
Balances at April 29, 2017 | $ | 266 |
Foreign currency translation adjustments | 55 |
Balances at July 29, 2017 | $ | 321 |
Balances at January 28, 2017 | $ | 279 |
Foreign currency translation adjustments | 42 |
Balances at July 29, 2017 | $ | 321 |
Balances at April 30, 2016 | $ | 316 |
Foreign currency translation adjustments | (20 | )
Balances at July 30, 2016 | $ | 296 |
Balances at January 30, 2016 | $ | 271 |
Foreign currency translation adjustments | 25 |
Balances at July 30, 2016 | $ | 296 |

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=84228862&loc=SL7669686-108580 + Details
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