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Quarterly Financial Data (unaudited) | 12 Months Ended
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Jan. 31, 2018
Quarterly Financial Information Disclosure [Abstract] |
Quarterly financial information | Quarterly Financial Data (Unaudited)
|  | Fiscal Year Ended January 31, 2018
(Amounts in millions, except per share data) |  | Q1 |  | Q2 |  | Q3 |  | Q4 |  | Total
Total revenues |  | $ | 117,542 |  |  | $ | 123,355 |  |  | $ | 123,179 |  |  | $ | 136,267 |  |  | $ | 500,343 |
Net sales |  | 116,526 |  |  | 121,949 |  |  | 122,136 |  |  | 135,150 |  |  | 495,761 |
Cost of sales |  | 87,688 |  |  | 91,521 |  |  | 91,547 |  |  | 102,640 |  |  | 373,396 |
Consolidated net income |  | 3,152 |  |  | 3,104 |  |  | 1,904 |  |  | 2,363 |  |  | 10,523 |
Consolidated net income attributable to Walmart |  | 3,039 |  |  | 2,899 |  |  | 1,749 |  |  | 2,175 |  |  | 9,862 |
Basic net income per common share attributable to Walmart |  | 1.00 |  |  | 0.96 |  |  | 0.59 |  |  | 0.74 |  |  | 3.29 |
Diluted net income per common share attributable to Walmart(1) |  | 1.00 |  |  | 0.96 |  |  | 0.58 |  |  | 0.73 |  |  | 3.28 |
|  | Fiscal Year Ended January 31, 2017
|  | Q1 |  | Q2 |  | Q3 |  | Q4 |  | Total
Total revenues |  | $ | 115,904 |  |  | $ | 120,854 |  |  | $ | 118,179 |  |  | $ | 130,936 |  |  | $ | 485,873 |
Net sales |  | 114,986 |  |  | 119,405 |  |  | 117,176 |  |  | 129,750 |  |  | 481,317 |
Cost of sales |  | 86,544 |  |  | 89,485 |  |  | 87,484 |  |  | 97,743 |  |  | 361,256 |
Consolidated net income |  | 3,216 |  |  | 3,889 |  |  | 3,202 |  |  | 3,986 |  |  | 14,293 |
Consolidated net income attributable to Walmart |  | 3,079 |  |  | 3,773 |  |  | 3,034 |  |  | 3,757 |  |  | 13,643 |
Basic net income per common share attributable to Walmart |  | 0.98 |  |  | 1.21 |  |  | 0.98 |  |  | 1.23 |  |  | 4.40 |
Diluted net income per common share attributable to Walmart(1) |  | 0.98 |  |  | 1.21 |  |  | 0.98 |  |  | 1.22 |  |  | 4.38 |
(1) | The sum of quarterly amounts may not agree to annual amount due to rounding and the impact of a decreasing amount of shares outstanding during the year.

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- References No definition available. + Details
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- Definition The entire disclosure for quarterly financial data. Includes, but is not limited to, tabular presentation of financial information for fiscal quarters, effect of year-end adjustments, and an explanation of matters or transactions that affect comparability of the information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -URI http://asc.fasb.org/topic&trid=2126967 + Details
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