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Quarterly Financial Data (Unaudited) | 12 Months Ended
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Dec. 31, 2018
Quarterly Financial Data (Unaudited) [Abstract] |
Quarterly Financial Information | Quarterly Financial Data (Unaudited). Unaudited quarterly financial data for Icahn Enterprises is presented below:
| 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 |
The comparability of our unaudited quarterly financial data is affected by, among other things, (i) the performance of the Investment Funds, (ii) the results of our Energy segment's operations, impacted by the relationship of its refined product prices and prices for crude oil and other feedstocks, (iii) impairment charges, primarily in our Automotive segment in the fourth quarter of 2018, (iv) gains on dispositions of assets, primarily in our Railcar and Real Estate segments in the second and third quarters of 2017, respectively, and (v) the enactment of tax legislation in the United States in 2017. In addition, in connection with our sales of Federal-Mogul, Tropicana and ARI, we recorded aggregate pre-tax gains on the sales of discontinued operations of approximately $1.4 billion in the fourth quarter of 2018. Our unaudited quarterly financial data presented above differs from the results of operations reported in each of our quarterly reports on Form 10-Q filed with the SEC during 2018 due to the recasting of the results of Federal-Mogul and Tropicana to discontinued operations for all periods presented beginning in the second quarter of 2018 and the recasting of the results of ARI to discontinued operations for all periods presented beginning in the fourth quarter of 2018. Certain other reclassifications were made that did not significantly impact our historical reported results.

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- Definition Quarterly Financial Data (Unaudited) [Abstract] + References No definition available. + Details
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- Definition The entire disclosure for quarterly financial data. Includes, but is not limited to, tabular presentation of financial information for fiscal quarters, effect of year-end adjustments, and an explanation of matters or transactions that affect comparability of the information. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -URI http://asc.fasb.org/topic&trid=2126967 + Details
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