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Earnings Per Share of Common Stock Earnings Per Share Reconciliation (Details) - USD ($) $ in Millions |  | 2 Months Ended | 8 Months Ended
--- | --- | --- | ---
Aug. 31, 2017 | Aug. 31, 2017 | Aug. 31, 2017
Predecessor [Member] |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |  |
(Loss) Income from Continuing Operations after Income Taxes, attributable to DuPont |  |  | $ (263) | $ 1,624
Preferred Dividends |  |  | (2) | (7)
(Loss) Income from Continuing Operations after income taxes available to DuPont common stockholders |  |  | (265) | 1,617
Income from Discontinued Operations after income taxes available to DuPont common stockholders |  |  | 29 | 117
Net (Loss) Income Available to Common Stockholders |  |  | $ (236) | $ 1,734
Weighted Average Number of Shares Outstanding, Basic |  |  | 868,992,000 | 867,888,000
Dilutive effect of the company's employee compensation plans | [1] |  | 0 | 4,532,000
Weighted Average Number of Shares Outstanding, Diluted |  |  | 868,992,000 | 872,420,000
Common Stock [Member] | Merger with Dow [Member] |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |  |
Share exchange ratio, DuPont to DowDuPont |  | 1.2820 |  |
[1] | Diluted earnings 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.

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