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Quarterly Financial Data (Unaudited) (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Quarterly Financial Data [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales | $ 2,349 | $ 2,484 | $ 2,588 | $ 2,300 | $ 2,578 | $ 2,815 | $ 2,819 | $ 2,364 | $ 9,720 | $ 10,576 | $ 9,306
Gross margin on net sales | 235 | 415 | 459 | 400 | 362 | 443 | 392 | 377 |  |  |
Total revenues | 2,621 | 2,320 | 2,196 | 1,855 | 2,802 | 2,569 | 3,423 | 2,983 | 8,992 | 11,777 | 12,619
Income (loss) from continuing operations | (149) | (373) | (573) | (664) | (206) | (334) | 410 | 367 | (1,759) | 237 | 2,398
(Loss) income from discontinued operations | (8) | 0 | (24) | 0 | 1,376 | 176 | 167 | 45 | (32) | 1,764 | 234
Net (loss) income | (157) | (373) | (597) | (664) | 1,170 | (158) | 577 | 412 | (1,791) | 2,001 | 2,632
Less: net (loss) income attributable to non-controlling interests | 0 | (324) | (99) | (270) | 240 | (276) | 275 | 280 | (693) | 519 | 178
Net income (loss) attributable to Icahn Enterprises | $ (157) | $ (49) | $ (498) | $ (394) | $ 930 | $ 118 | $ 302 | $ 132 | $ (1,098) | $ 1,482 | $ 2,454
Basic income (loss) per LP unit: |  |  |  |  |  |  |  |  |  |  |
Continuing operations | $ (0.70) | $ (0.24) | $ (2.37) | $ (2.02) | $ (2.30) | $ (0.24) | $ 0.81 | $ 0.55 | $ (5.23) | $ (1.29) | $ 13.98
Discontinued operations | (0.04) | 0.00 | (0.12) | 0.00 | 10.31 | 0.88 | 0.85 | 0.19 | (0.15) | 12.62 | 0.96
Basic income (loss) per LP unit | (0.74) | (0.24) | (2.49) | (2.02) | 8.01 | 0.64 | 1.66 | 0.74 | (5.38) | 11.33 | 14.94
Diluted income (loss) per LP unit |  |  |  |  |  |  |  |  |  |  |
Continuing operations | (0.70) | (0.24) | (2.37) | (2.02) | (2.30) | (0.24) | 0.81 | 0.55 | (5.23) | (1.29) | 13.98
Discontinued operations | (0.04) | 0.00 | (0.12) | 0.00 | 10.31 | 0.88 | 0.85 | 0.19 | (0.15) | 12.62 | 0.96
Diluted income (loss) per LP unit | $ (0.74) | $ (0.24) | $ (2.49) | $ (2.02) | $ 8.01 | $ 0.64 | $ 1.66 | $ 0.74 | $ (5.38) | $ 11.33 | $ 14.94
Gain on disposition of assets, net |  |  |  |  |  |  |  |  | $ 253 | $ 84 | $ 2,163
Federal-Mogul, Tropicana and ARI [Member] |  |  |  |  |  |  |  |  |  |  |
Diluted income (loss) per LP unit |  |  |  |  |  |  |  |  |  |  |
Gain on disposition of assets, net |  |  |  |  | $ 1,400 |  |  |  |  |  |

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