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STATEMENT OF CHANGES IN EQUITY - USD ($) shares in Millions, $ in Millions | Total | Common Stock | Additional Capital | Retained Earnings | Treasury Stock | Accumulated Other Comprehensive Income (Loss) | Total Micron Shareholders' Equity | Noncontrolling Interest in Subsidiary
--- | --- | --- | --- | --- | --- | --- | --- | ---
Balance (in shares) at Aug. 29, 2019 |  | 1,182 |  |  |  |  |  |
Balance (2020) at Aug. 29, 2019 | $ 36,770 | $ 118 | $ 8,214 | $ 30,761 | $ (3,221) | $ 9 | $ 35,881 | $ 889
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Net income (2021) | 491 |  |  |  |  |  |  |
Net income (2020 excluding redeemable noncontrolling interest) | 506 |  |  | 491 |  |  | 491 | 15
Other comprehensive income (loss), net | (3) |  |  |  |  | (3) | (3) |
Stock issued under stock plans (in shares) |  | 3 |  |  |  |  |  |
Stock issued under stock plans | 32 | $ 1 | 31 |  |  |  | 32 |
Stock-based compensation expense | 72 |  | 72 |  |  |  | 72 |
Repurchase of stock (in shares) |  | 0 |  |  |  |  |  |
Repurchase of stock | (90) | $ 0 | (6) | (34) | (50) |  | (90) |
Acquisition of noncontrolling interest | (781) |  | 123 |  |  |  | 123 | (904)
Cash settlement of convertible notes | (6) |  | (6) |  |  |  | (6) |
Balance (in shares) at Nov. 28, 2019 |  | 1,185 |  |  |  |  |  |
Balance (2020) at Nov. 28, 2019 | $ 36,500 | $ 119 | 8,428 | 31,218 | (3,271) | 6 | 36,500 | $ 0
Balance (in shares) at Sep. 03, 2020 | 1,194 | 1,194 |  |  |  |  |  |
Balance (2021) at Sep. 03, 2020 | $ 38,996 | $ 119 | 8,917 | 33,384 | (3,495) | 71 |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Net income (2021) | 803 |  |  | 803 |  |  |  |
Other comprehensive income (loss), net | 39 |  |  |  |  | 39 | $ 39 |
Stock issued under stock plans (in shares) |  | 5 |  |  |  |  |  |
Stock issued under stock plans | 34 | $ 1 | 33 |  |  |  |  |
Stock-based compensation expense | 92 |  | 92 |  |  |  |  |
Repurchase of stock (in shares) |  | (1) |  |  |  |  |  |
Repurchase of stock | $ (57) | $ 0 | (8) | (49) |  |  |  |
Balance (in shares) at Dec. 03, 2020 | 1,198 | 1,198 |  |  |  |  |  |
Balance (2021) at Dec. 03, 2020 | $ 39,907 | $ 120 | $ 9,034 | $ 34,138 | $ (3,495) | $ 110 |  |

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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant