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Earnings Per Share of Common Stock (Tables) | 3 Months Ended
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Mar. 31, 2015
Earnings Per Share [Abstract] |
Earnings Per Share of Common Stock Reconciliation Table |
| Three Months Ended
| March 31,
| 2015 | 2014
Numerator: |  |
Net income attributable to DuPont | $ | 1,031 |  | $ | 1,439 |
Preferred dividends | (2 | ) | (2 | )
Net income available to common stockholders | $ | 1,029 |  | $ | 1,437 |
Denominator: |  |
Weighted-average number of common shares outstanding - Basic | 906,835,000 |  | 923,461,000 |
Dilutive effect of the company’s employee compensation plans | 6,984,000 |  | 7,271,000 |
Weighted-average number of common shares outstanding - Diluted | 913,819,000 |  | 930,732,000 |

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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/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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