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Earnings Per Share Net Income for Earnings Per Share Calculations - Basic and Diluted (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Earnings Per Share [Abstract] |  |  |
Income (Loss) from Continuing Operations After Taxes | $ 1,822 | $ 756 | $ (270)
Income (loss) from continuing operations attributable to Corteva common stockholders | 1,812 | 736 | (283)
(Loss) income from discontinued operations after income taxes | (53) | (55) | (671)
Loss from Discontinued Operations, Net of Tax, Attributable to Noncontrolling Interest | 0 | 0 | 5
(Loss) income from discontinued operations attributable to Corteva common stockholders | (53) | (55) | (676)
Net (Loss) Income attributable to common stockholders | 1,759 | 681 | (959)
Net Income attributable to continuing operations - Noncontrolling Interest | $ 10 | $ 20 | $ 13

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