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EARNINGS PER SHARE (Tables) | 9 Months Ended
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Sep. 30, 2022
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] | The following tables provide earnings per share calculations for Dow Inc. for the three and nine months ended September 30, 2022 and 2021. Earnings per share of TDCC is not presented as this information is not required in financial statements of wholly owned subsidiaries.
Net Income for Earnings Per Share Calculations | Three Months Ended | Nine Months Ended
In millions | Sep 30, 2022 | Sep 30, 2021 | Sep 30, 2022 | Sep 30, 2021
Net income | $ | 760 |  | $ | 1,706 |  | $ | 3,993 |  | $ | 4,644 |
Net income attributable to noncontrolling interests | 21 |  | 23 |  | 24 |  | 69 |
Net income attributable to participating securities 1 | 4 |  | 8 |  | 21 |  | 23 |
Net income attributable to common stockholders | $ | 735 |  | $ | 1,675 |  | $ | 3,948 |  | $ | 4,552 |
Earnings Per Share - Basic and Diluted | Three Months Ended | Nine Months Ended
Dollars per share | Sep 30, 2022 | Sep 30, 2021 | Sep 30, 2022 | Sep 30, 2021
Earnings per common share - basic | $ | 1.03 |  | $ | 2.25 |  | $ | 5.45 |  | $ | 6.11 |
Earnings per common share - diluted | $ | 1.02 |  | $ | 2.23 |  | $ | 5.41 |  | $ | 6.06 |
Share Count Information | Three Months Ended | Nine Months Ended
Shares in millions | Sep 30, 2022 | Sep 30, 2021 | Sep 30, 2022 | Sep 30, 2021
Weighted-average common shares outstanding - basic | 714.3 |  | 744.5 |  | 724.9 |  | 745.4 |
Plus dilutive effect of equity compensation plans | 3.8 |  | 5.5 |  | 4.9 |  | 5.5 |
Weighted-average common shares outstanding - diluted | 718.1 |  | 750.0 |  | 729.8 |  | 750.9 |
Stock options and restricted stock units excluded from EPS calculations 2 | 9.7 |  | 7.2 |  | 6.8 |  | 5.6 |
1.Restricted stock units are considered participating securities due to the Company's practice of paying dividend equivalents on unvested shares. 2.These outstanding options to purchase shares of common stock and restricted stock units were excluded from the calculation of diluted earnings per share because the effect of including them would have been antidilutive.

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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