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Quarterly Financial Data (Unaudited) (Tables) | 12 Months Ended
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Dec. 31, 2018
Quarterly Financial Data (Unaudited) [Abstract] |
Schedule of Quarterly Financial Information |
| For the Three Months Ended
| March 31, |  | June 30, |  | September 30, |  | December 31,
| 2018 |  | 2017 |  | 2018 |  | 2017 |  | 2018 |  | 2017 |  | 2018 |  | 2017
| (in millions, except per unit data)
Net sales | $ | 2,363 |  |  | $ | 2,310 |  |  | $ | 2,820 |  |  | $ | 2,277 |  |  | $ | 2,815 |  |  | $ | 2,334 |  |  | $ | 2,578 |  |  | $ | 2,385 |
Gross margin on net sales | 390 |  |  | 326 |  |  | 406 |  |  | 259 |  |  | 457 |  |  | 328 |  |  | 376 |  |  | 135 |
Total revenues | 2,983 |  |  | 2,378 |  |  | 3,423 |  |  | 4,353 |  |  | 2,569 |  |  | 3,406 |  |  | 2,802 |  |  | 2,482 |
Income (loss) from continuing operations | 378 |  |  | (208 | ) |  | 421 |  |  | 1,637 |  |  | (323 | ) |  | 790 |  |  | (194 | ) |  | 138 |
Income from discontinued operations | 45 |  |  | 48 |  |  | 167 |  |  | 88 |  |  | 176 |  |  | 39 |  |  | 1,376 |  |  | 59 |
Net income (loss) | 423 |  |  | (160 | ) |  | 588 |  |  | 1,725 |  |  | (147 | ) |  | 829 |  |  | 1,182 |  |  | 197 |
Net loss (income) attributable to non-controlling interests | 286 |  |  | (142 | ) |  | 279 |  |  | 172 |  |  | (273 | ) |  | 232 |  |  | 247 |  |  | (101 | )
Net income (loss) attributable to Icahn Enterprises | $ | 137 |  |  | $ | (18 | ) |  | $ | 309 |  |  | $ | 1,553 |  |  | $ | 126 |  |  | $ | 597 |  |  | $ | 935 |  |  | $ | 298 |
Basic income (loss) per LP unit: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Continuing operations | $ | 0.58 |  |  | $ | (0.34 | ) |  | $ | 0.86 |  |  | $ | 9.04 |  |  | $ | (0.20 | ) |  | $ | 3.37 |  |  | $ | (2.28 | ) |  | $ | 1.61 |
Discontinued operations | 0.19 |  |  | 0.22 |  |  | 0.84 |  |  | 0.47 |  |  | 0.88 |  |  | 0.16 |  |  | 10.31 |  |  | 0.11 |
| $ | 0.77 |  |  | $ | (0.12 | ) |  | $ | 1.70 |  |  | $ | 9.51 |  |  | $ | 0.68 |  |  | $ | 3.53 |  |  | $ | 8.03 |  |  | $ | 1.72 |
Diluted income (loss) per LP unit: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Continuing operations | $ | 0.58 |  |  | $ | (0.34 | ) |  | $ | 0.86 |  |  | $ | 9.04 |  |  | $ | (0.20 | ) |  | $ | 3.37 |  |  | $ | (2.28 | ) |  | $ | 1.61 |
Discontinued operations | 0.19 |  |  | 0.22 |  |  | 0.84 |  |  | 0.47 |  |  | 0.88 |  |  | 0.16 |  |  | 10.31 |  |  | 0.11 |
| $ | 0.77 |  |  | $ | (0.12 | ) |  | $ | 1.70 |  |  | $ | 9.51 |  |  | $ | 0.68 |  |  | $ | 3.53 |  |  | $ | 8.03 |  |  | $ | 1.72 |

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- Definition Quarterly Financial Data (Unaudited) [Abstract] + References No definition available. + Details
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- Definition Tabular disclosure of quarterly financial data. Includes, but is not limited to, financial information for fiscal quarters, cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=109225645&loc=d3e1280-108306 + Details
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