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Comprehensive Income (Notes)
 9 Months Ended
Nov. 01, 2014
Equity [Abstract]  
Comprehensive Income
Comprehensive Income
 
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 nine months ended November 1, 2014, and the three and nine months ended November 2, 2013, respectively ($ in millions).
 
Foreign Currency Translation
 
Available-For-Sale Investments
 
Total
Balances at August 2, 2014
$
488

 
$
6

 
494

Foreign currency translation adjustments
(25
)
 
—

 
(25
)
Unrealized losses on available-for-sale investments
—

 
(1
)
 
(1
)
Balances at November 1, 2014
$
463

 
$
5

 
$
468

 
 
 
 
 
 
 
Foreign Currency Translation
 
Available-For-Sale Investments
 
Total
Balances at February 1, 2014
$
485

 
$
7

 
$
492

Foreign currency translation adjustments
(22
)
 
—

 
(22
)
Unrealized losses on available-for-sale investments
—

 
(2
)
 
(2
)
Balances at November 1, 2014
$
463

 
$
5

 
$
468


 
Foreign Currency Translation
 
Available-For-Sale Investments
 
Total
Balances at August 3, 2013
$
528

 
$
1

 
$
529

Foreign currency translation adjustments
(2
)
 
—

 
(2
)
Unrealized gains on available-for-sale investments
—

 
1

 
1

Balances at November 2, 2013
$
526

 
$
2

 
$
528


 
Foreign Currency Translation
 
Available-For-Sale Investments
 
Total
Balances at February 2, 2013
$
113

 
$
(1
)
 
$
112

Foreign currency translation adjustments
(95
)
 
—

 
(95
)
Reclassification of foreign currency translation adjustments into earnings due to sale of business
508

 
—

 
508

Unrealized gains on available-for-sale investments
—

 
2

 
2

Reclassification of losses on available-for-sale investments into earnings
—

 
1

 
1

Balances at November 2, 2013
$
526

 
$
2

 
$
528



There is generally no tax impact related to foreign currency translation adjustments, as the earnings are considered permanently reinvested. In addition, there were no material tax impacts related to gains or losses on available-for-sale investments in the periods presented.