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Consolidated Statement Of Shareholders' Equity and Redeemable Noncontrolling Interest - USD ($) shares in Millions, $ in Millions | Total | Common stock | Capital in excess of par value | Retained earnings | Accumulated other comprehensive income (loss) | Total Walmart shareholders' equity | Noncontrolling interest
--- | --- | --- | --- | --- | --- | --- | ---
Consolidated net income | $ 15,080 |  |  | $ 14,694 |  | $ 14,694 | $ 386
Other comprehensive income (loss), net of income taxes | (4,970) |  |  |  | $ (4,429) | (4,429) | (541)
Balances, in shares at Jan. 31, 2015 |  | 3,228 |  |  |  |  |
Balances at Jan. 31, 2015 | 85,937 | $ 323 | $ 2,462 | 85,777 | (7,168) | 81,394 | 4,543
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Cash dividends declared | (6,294) |  |  | (6,294) |  | (6,294) |
Purchase of Company stock (in shares) |  | (65) |  |  |  |  |
Purchase of Company stock | (4,256) | $ (6) | (102) | (4,148) |  | (4,256) |
Cash dividend declared to noncontrolling interest | (691) |  |  |  |  |  | (691)
Other, in shares |  | (1) |  |  |  |  |
Other | (1,195) | $ 0 | (555) | (8) |  | (563) | (632)
Balances, in shares at Jan. 31, 2016 |  | 3,162 |  |  |  |  |
Balances at Jan. 31, 2016 | 83,611 | $ 317 | 1,805 | 90,021 | (11,597) | 80,546 | 3,065
Consolidated net income | 14,293 |  |  | 13,643 |  | 13,643 | 650
Other comprehensive income (loss), net of income taxes | (2,845) |  |  |  | (2,635) | (2,635) | (210)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Cash dividends declared | (6,216) |  |  | (6,216) |  | (6,216) |
Purchase of Company stock (in shares) |  | (120) |  |  |  |  |
Purchase of Company stock | (8,276) | $ (12) | (174) | (8,090) |  | (8,276) |
Cash dividend declared to noncontrolling interest | (519) |  |  |  |  |  | (519)
Other, in shares |  | 6 |  |  |  |  |
Other | 487 |  | 740 | (4) |  | 736 | (249)
Balances, in shares at Jan. 31, 2017 |  | 3,048 |  |  |  |  |
Balances at Jan. 31, 2017 | 80,535 | $ 305 | 2,371 | 89,354 | (14,232) | 77,798 | 2,737
Consolidated net income | 10,523 |  |  | 9,862 |  | 9,862 | 661
Other comprehensive income (loss), net of income taxes | 4,220 |  |  |  | 4,051 | 4,051 | 169
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Cash dividends declared | (6,124) |  |  | (6,124) |  | (6,124) |
Purchase of Company stock (in shares) |  | (103) |  |  |  |  |
Purchase of Company stock | (8,204) | $ (10) | (219) | (7,975) |  | (8,204) |
Cash dividend declared to noncontrolling interest | (687) |  |  |  |  |  | (687)
Other, in shares |  | 7 |  |  |  |  |
Other | 559 |  | 496 | (10) |  | 486 | 73
Balances, in shares at Jan. 31, 2018 |  | 2,952 |  |  |  |  |
Balances at Jan. 31, 2018 | $ 80,822 | $ 295 | $ 2,648 | $ 85,107 | $ (10,181) | $ 77,869 | $ 2,953

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