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Quarterly Financial Data (Unaudited) (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Quarterly Financial Data (Unaudited) [Abstract] |  |  |  |  |  |  |  |  |  |  |
Net sales | $ 2,578 | $ 2,815 | $ 2,820 | $ 2,363 | $ 2,385 | $ 2,334 | $ 2,277 | $ 2,310 | $ 10,576 | $ 9,306 | $ 7,740
Gross margin on net sales | 376 | 457 | 406 | 390 | 135 | 328 | 259 | 326 |  |  |
Total revenues | 2,802 | 2,569 | 3,423 | 2,983 | 2,482 | 3,406 | 4,353 | 2,378 | 11,777 | 12,619 | 7,379
Income (loss) from continuing operations | (194) | (323) | 421 | 378 | 138 | 790 | 1,637 | (208) | 282 | 2,357 | (2,285)
Income from discontinued operations | 1,376 | 176 | 167 | 45 | 59 | 39 | 88 | 48 | 1,764 | 234 | 65
Net income (loss) | 1,182 | (147) | 588 | 423 | 197 | 829 | 1,725 | (160) | 2,046 | 2,591 | (2,220)
Less: net income (loss) attributable to non-controlling interests | 247 | (273) | 279 | 286 | (101) | 232 | 172 | (142) | 539 | 161 | (1,092)
Net income (loss) attributable to Icahn Enterprises | $ 935 | $ 126 | $ 309 | $ 137 | $ 298 | $ 597 | $ 1,553 | $ (18) | $ 1,507 | $ 2,430 | $ (1,128)
Basic income (loss) per LP unit: |  |  |  |  |  |  |  |  |  |  |
Continuing operations | $ (2.28) | $ (0.20) | $ 0.86 | $ 0.58 | $ 1.61 | $ 3.37 | $ 9.04 | $ (0.34) | $ (1.16) | $ 13.84 | $ (8.07)
Discontinued operations | 10.31 | 0.88 | 0.84 | 0.19 | 0.11 | 0.16 | 0.47 | 0.22 | 12.62 | 0.96 | 0.00
Basic income (loss) per LP unit | 8.03 | 0.68 | 1.70 | 0.77 | 1.72 | 3.53 | 9.51 | (0.12) | 11.46 | 14.80 | (8.07)
Diluted income (loss) per LP unit: |  |  |  |  |  |  |  |  |  |  |
Continuing operations | (2.28) | (0.20) | 0.86 | 0.58 | 1.61 | 3.37 | 9.04 | (0.34) | (1.16) | 13.84 | (8.07)
Discontinued operations | 10.31 | 0.88 | 0.84 | 0.19 | 0.11 | 0.16 | 0.47 | 0.22 | 12.62 | 0.96 | 0.00
Diluted income (loss) per LP unit | $ 8.03 | $ 0.68 | $ 1.70 | $ 0.77 | $ 1.72 | $ 3.53 | $ 9.51 | $ (0.12) | $ 11.46 | $ 14.80 | $ (8.07)

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