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Earnings Per Share Share Count Information (Details) - shares | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Jun. 01, 2019
Earnings Per Share [Line Items] |  |  |  |  |
Weighted Average Number of Shares Outstanding, Basic | [1] | 735,900,000 | 748,700,000 | 749,500,000 |
Dilutive effect of equity compensation plans | [2] | 5,700,000 | 2,500,000 | 0 |
Weighted Average Number of Shares Outstanding, Diluted |  | 741,600,000 | 751,200,000 | 749,500,000 |
Common Stock, Shares Authorized |  | 1,666,667,000 | 1,666,667,000 |  |
Stock options and restricted stock units excluded from EPS | [3] | 2,800,000 | 9,400,000 | 14,400,000 |
Corteva [Member] |  |  |  |  |
Earnings Per Share [Line Items] |  |  |  |  |
Shares in which vesting conditions were met |  |  |  |  | 600,000
Common Stock, Shares, Issued |  |  |  |  | 748,815,000
Corteva [Member] | Rounded Amount [Member] |  |  |  |  |
Earnings Per Share [Line Items] |  |  |  |  |
Common Stock, Shares, Issued |  |  |  |  | 748,800,000
[1] | Share amounts for all periods prior to the Corteva Distribution were based on 748.8 million shares of Corteva, Inc. common stock distributed to holders of DowDuPont's common stock on June 1, 2019, plus 0.6 million of additional shares in which accelerated vesting conditions have been met.
[2] | Diluted earnings (loss) per share considers the impact of potentially dilutive securities except in periods in which there is a loss because the inclusion of the potential common shares would have an anti-dilutive effect.
[3] | These outstanding potential shares of common stock relating to stock options, restricted stock units and performance-based restricted stock units were excluded from the calculation of diluted earnings (loss) per share because (i) the effect of including stock options and restricted stock units would have been anti-dilutive; and (ii) the performance metrics have not yet been achieved for the outstanding potential shares relating to performance-based restricted stock units, which are deemed to be contingently issuable.

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