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Supplementary Financial Information (Unaudited) (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jan. 28, 2017 | Oct. 29, 2016 | Jul. 30, 2016 | Apr. 30, 2016 | Jan. 30, 2016 | Oct. 31, 2015 | Aug. 01, 2015 | May 02, 2015 | Jan. 28, 2017 | Jan. 30, 2016 | Jan. 31, 2015
Quarterly Financial Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue |  | $ 13,482 |  | $ 8,945 |  | $ 8,533 |  | $ 8,443 |  | $ 13,623 |  | $ 8,819 |  | $ 8,528 |  | $ 8,558 |  | $ 39,403 |  | $ 39,528 |  | $ 40,339
Comparable store sales % change (as a percent) | [1] | (0.70%) |  | 1.80% |  | 0.80% |  | (0.10%) |  | (1.70%) |  | 0.80% |  | 3.80% |  | 0.60% |  | 0.30% |  | 0.50% |  |
Gross Profit |  | $ 3,030 | [2] | $ 2,203 | [2] | $ 2,062 | [2] | $ 2,145 | [2] | $ 2,951 | [3] | $ 2,112 | [3] | $ 2,098 | [3] | $ 2,030 | [3] | $ 9,440 | [2] | $ 9,191 | [3] | 9,047
Operating income (loss) |  | 881 | [4] | 312 | [4] | 289 | [4] | 372 | [4] | 771 | [5] | 230 | [5] | 288 | [5] | 86 | [5] | 1,854 | [4] | 1,375 | [5] | 1,450
Net earnings (loss) from continuing operations |  | 607 |  | 192 |  | 182 |  | 226 |  | 477 |  | 129 |  | 164 |  | 37 |  | 1,207 |  | 807 |  | 1,246
Gain from discontinued operations, net of tax |  | 0 |  | 2 |  | 16 |  | 3 |  | 2 |  | (4) |  | 0 |  | 92 |  | 21 |  | 90 |  | (11)
Net earnings including noncontrolling interests |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,228 |  | 897 |  | 1,235
Net earnings attributable to Best Buy Co., Inc. |  | $ 607 |  | $ 194 |  | $ 198 |  | $ 229 |  | $ 479 |  | $ 125 |  | $ 164 |  | $ 129 |  | $ 1,228 |  | $ 897 |  | $ 1,233
Diluted earnings (loss) per share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Continuing operations |  | $ 1.91 |  | $ 0.60 |  | $ 0.56 |  | $ 0.69 |  | $ 1.39 |  | $ 0.37 |  | $ 0.46 |  | $ 0.10 |  | $ 3.74 |  | $ 2.30 |  | $ 3.53
Discontinued operations |  | 0.00 |  | 0.01 |  | 0.05 |  | 0.01 |  | 0.01 |  | (0.01) |  | 0.00 |  | 0.26 |  | 0.07 |  | 0.26 |  | (0.04)
Diluted (in dollars per share) |  | $ 1.91 | [6] | $ 0.61 | [6] | $ 0.61 | [6] | $ 0.70 | [6] | $ 1.40 | [6] | $ 0.36 | [6] | $ 0.46 | [6] | $ 0.36 | [6] | $ 3.81 | [6] | $ 2.56 | [6] | $ 3.49
Months until inclusion in comparable store sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 14 months |  |  |  |
Days Until Excluded From Comparable Sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 14 days |  |  |  |
Proceeds from Legal Settlements |  |  |  |  |  |  |  | $ 183 |  | $ 2 |  | $ 0 |  | $ 10 |  | $ 78 |  | $ 183 |  | $ 90 |  |
Restructuring charges |  | $ 9 |  | $ 1 |  | $ 0 |  | 29 |  | 12 |  | 7 |  | (4) |  | 186 |  | 39 |  | 201 |  | $ 23
Proceeds from Legal Settlements, net of related legal fees and costs |  |  |  |  |  |  |  | $ 161 |  | $ 2 |  | $ 0 |  | $ 8 |  | $ 67 |  | 161 |  | 77 |  |
Continuing Operations [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Diluted earnings (loss) per share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring charges |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 39 |  | $ 201 |  |
[1] | Our comparable sales calculation compares revenue from stores, websites and call centers operating for at least 14 full months, as well as revenue related to certain other comparable sales channels for a particular period to the corresponding period in the prior year. Relocated stores, as well as remodeled, expanded and downsized stores closed more than 14 days, are excluded from our comparable sales calculation until at least 14 full months after reopening. Acquisitions are included in the comparable sales calculation beginning with the first full quarter following the first anniversary of the date of the acquisition. The Canadian brand consolidation, which included the permanent closure of 66 Future Shop stores, the conversion of 65 Future Shop stores to Best Buy stores and the elimination of the Future Shop website, had a material impact on a year-over-year basis on the remaining Canadian retail stores and the website. As such, from the first quarter of fiscal 2016 through the third quarter of fiscal 2017, all Canadian store and website revenue was removed from the comparable sales base and the International segment no longer had a comparable metric. Therefore, Consolidated comparable sales equaled the Domestic segment comparable sales. Beginning in the fourth quarter of fiscal 2017, we resumed reporting International comparable sales as revenue in the International segment was once again deemed to be comparable and, as such, Consolidated comparable sales are once again equal to the aggregation of Domestic and International comparable sales.
[2] | Includes $183 million of cathode ray tube ("CRT") litigation settlements reached and recorded in the fiscal first quarter and $183 million for the 12 months ended January 28, 2017, related to products purchased and sold in prior fiscal years.
[3] | Includes $78 million, $10 million, $0 million and $2 million of CRT and LCD litigation settlements reached and recorded in the fiscal first, second, third and fourth quarters respectively, and $90 million for the 12 months ended January 30, 2016, related to products purchased and sold in prior fiscal years.
[4] | Includes $29 million, $0 million, $1 million and $9 million of restructuring charges recorded in the fiscal first, second, third and fourth quarters, respectively, and $39 million for the 12 months ended January 28, 2017, related to measures we took to restructure our businesses. Also, includes $161 million of cathode ray tube litigation settlements, net of related legal fees and costs, recorded in the fiscal first quarter and in the 12 months ended January 28, 2017, related to products purchased and sold in prior fiscal years.
[5] | Includes $186 million, $(4) million, $7 million and $12 million of restructuring charges recorded in the fiscal first, second, third and fourth quarters, respectively, and $201 million for the 12 months ended January 30, 2016, related to measures we took to restructure our businesses. Also, includes $67 million, $8 million, $0 million and $2 million of CRT and LCD litigation settlements, net of related legal fees and costs, recorded in the fiscal first, second, third and fourth quarters respectively, and $77 million for the 12 months ended January 30, 2016, related to products purchased and sold in prior fiscal years.
[6] | The sum of our quarterly diluted earnings per share does not equal our annual diluted earnings per share due to differences in quarterly and annual weighted-average shares outstanding.

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