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Earnings Per Share of Common Stock (Tables) | 6 Months Ended
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Jun. 30, 2013
Earnings Per Share [Abstract] |
Earnings Per Share of Common Stock Reconciliation Table |
| Three Months Ended | Six Months Ended
| June 30, | June 30,
| 2013 | 2012 | 2013 | 2012
Numerator: |  |  |  |
Income from continuing operations after income taxes attributable to DuPont | $ | 1,026 |  | $ | 1,090 |  | $ | 2,406 |  | $ | 2,487 |
Preferred dividends | (2 | ) | (2 | ) | (5 | ) | (5 | )
Income from continuing operations after income taxes available to DuPont common stockholders | $ | 1,024 |  | $ | 1,088 |  | $ | 2,401 |  | $ | 2,482 |
Income from discontinued operations after income taxes | $ | 4 |  | $ | 76 |  | $ | 1,972 |  | $ | 171 |
Net income available to common stockholders | $ | 1,028 |  | $ | 1,164 |  | $ | 4,373 |  | $ | 2,653 |
Denominator: |  |  |  |
Weighted-average number of common shares outstanding - Basic | 922,684,000 |  | 934,057,000 |  | 925,500,000 |  | 933,982,000 |
Dilutive effect of the company’s employee compensation plans | 6,796,000 |  | 8,775,000 |  | 6,811,000 |  | 9,551,000 |
Weighted-average number of common shares outstanding - Diluted | 929,480,000 |  | 942,832,000 |  | 932,311,000 |  | 943,533,000 |
Average Number of Antidilutive Stock Options |
| Three Months Ended | Six Months Ended
| June 30, | June 30,
| 2013 | 2012 | 2013 | 2012
Average number of stock options | — |  | 12,750,000 |  | 5,192,000 |  | 11,737,000 |

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- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 40 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Tabular disclosure of the reconciliation of basic net earnings per share (or unit) to diluted earnings per share (or unit). + 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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