Segment Revenues and Long-Lived Assets (Details) - USD ($) $ in Millions |
3 Months Ended | 12 Months Ended | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Jan. 31, 2016 |
Oct. 31, 2015 |
Jul. 31, 2015 |
Apr. 30, 2015 |
Jan. 31, 2015 |
Oct. 31, 2014 |
Jul. 31, 2014 |
Apr. 30, 2014 |
Jan. 31, 2016 |
Jan. 31, 2015 |
Jan. 31, 2014 |
|
Segment Reporting Information [Line Items] | |||||||||||
Total revenues | $ 129,667 | $ 117,408 | $ 120,229 | $ 114,826 | $ 131,565 | $ 119,001 | $ 120,125 | $ 114,960 | $ 482,130 | $ 485,651 | $ 476,294 |
Long-Lived Assets | 116,516 | 116,655 | 116,516 | 116,655 | 117,907 | ||||||
United States | |||||||||||
Segment Reporting Information [Line Items] | |||||||||||
Total revenues | 357,559 | 348,227 | 338,681 | ||||||||
Long-Lived Assets | 82,475 | 80,879 | 82,475 | 80,879 | 79,644 | ||||||
Walmart International | |||||||||||
Segment Reporting Information [Line Items] | |||||||||||
Total revenues | 124,571 | 137,424 | 137,613 | ||||||||
Long-Lived Assets | $ 34,041 | $ 35,776 | $ 34,041 | $ 35,776 | $ 38,263 |