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Segment Reporting, Income Statements (Details) - USD ($) $ in Millions | 1 Months Ended | 12 Months Ended
--- | --- | ---
Aug. 31, 2018 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Net sales/Other revenue from operations |  | $ 6,815 | $ 9,722 | $ 10,576
Other revenues from operations |  | 608 | 666 | 647
Net (loss) gain from investment activities |  | (1,421) | (1,931) | 322
Interest and dividend income |  | 169 | 265 | 148
(Loss) gain on disposition of assets, net |  | (17) | 253 | 84
Other income (loss), net |  | (31) | 19 |
Total revenues |  | 6,123 | 8,994 | 11,777
Cost of goods sold/Other expenses from operations |  | 6,320 | 8,205 | 8,993
Other expenses from operations |  | 487 | 528 | 538
Selling, general and administrative |  | 1,191 | 1,375 | 1,386
Restructuring, net |  | 10 | 18 | 21
Impairment |  | 11 | 2 | 92
Interest expense |  | 688 | 605 | 524
Total Expenses |  | 8,707 | 10,733 | 11,554
Income (loss) from continuing operations before income tax (expense) benefit |  | (2,584) | (1,739) | 223
Income tax benefit (expense) |  | 116 | (20) | 14
Net income (loss) from continuing operations |  | (2,468) | (1,759) | 237
Less: net income (loss) from continuing operations attributable to non-controlling interests |  | (815) | (693) | 475
Net income (loss) from continuing operations attributable to Icahn Enterprises |  | (1,653) | (1,066) | (238)
Capital expenditures |  | 199 | 250 | 272
Depreciation and amortization |  | 510 | 519 | 508
Investment Segment |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Net sales/Other revenue from operations |  | 0 |  |
Other revenues from operations |  | 0 |  |
Net (loss) gain from investment activities |  | (1,368) | (1,599) | 635
Interest and dividend income |  | 136 | 190 | 104
(Loss) gain on disposition of assets, net |  | 0 |  |
Other income (loss), net |  | (17) | (5) | (2)
Total revenues |  | (1,249) | (1,414) | 737
Cost of goods sold/Other expenses from operations |  | 0 |  |
Other expenses from operations |  | 0 |  |
Selling, general and administrative |  | 2 | 23 | 12
Restructuring, net |  | 0 |  |
Impairment |  | 0 |  |
Interest expense |  | 196 | 106 | 46
Total Expenses |  | 198 | 129 | 58
Income (loss) from continuing operations before income tax (expense) benefit |  | (1,447) | (1,543) | 679
Income tax benefit (expense) |  | 0 |  |
Net income (loss) from continuing operations |  | (1,447) | (1,543) | 679
Less: net income (loss) from continuing operations attributable to non-controlling interests |  | (682) | (768) | 360
Net income (loss) from continuing operations attributable to Icahn Enterprises |  | (765) | (775) | 319
Capital expenditures |  | 0 |  |
Depreciation and amortization |  | 0 |  |
Energy Segment |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Net sales/Other revenue from operations |  | 3,930 | 6,364 | 7,124
Other revenues from operations |  | 0 |  |
Net (loss) gain from investment activities |  | 34 |  |
Interest and dividend income |  | 10 | 4 | 2
(Loss) gain on disposition of assets, net |  | (7) | 4 | (6)
Other income (loss), net |  | (1) | 13 | 15
Total revenues |  | 3,966 | 6,385 | 7,135
Cost of goods sold/Other expenses from operations |  | 4,164 | 5,707 | 6,508
Other expenses from operations |  | 0 |  |
Selling, general and administrative |  | 116 | 146 | 138
Restructuring, net |  | 0 |  | 5
Impairment |  | 0 |  |
Interest expense |  | 125 | 106 | 104
Total Expenses |  | 4,405 | 5,959 | 6,755
Income (loss) from continuing operations before income tax (expense) benefit |  | (439) | 426 | 380
Income tax benefit (expense) |  | 112 | (112) | (46)
Net income (loss) from continuing operations |  | (327) | 314 | 334
Less: net income (loss) from continuing operations attributable to non-controlling interests |  | (133) | 68 | 121
Net income (loss) from continuing operations attributable to Icahn Enterprises |  | (194) | 246 | 213
Capital expenditures |  | 124 | 121 | 102
Depreciation and amortization |  | 343 | 352 | 339
Automotive Segment |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Net sales/Other revenue from operations |  | 1,929 | 2,293 | 2,295
Other revenues from operations |  | 549 | 591 | 563
Net (loss) gain from investment activities |  | 0 |  |
Interest and dividend income |  | 0 |  |
(Loss) gain on disposition of assets, net |  | (6) | (4) | (1)
Other income (loss), net |  | (7) | 15 | (1)
Total revenues |  | 2,465 | 2,895 | 2,856
Cost of goods sold/Other expenses from operations |  | 1,344 | 1,615 | 1,493
Other expenses from operations |  | 449 | 474 | 483
Selling, general and administrative |  | 904 | 1,032 | 1,051
Restructuring, net |  | 8 | 6 | 5
Impairment |  | 0 |  | 90
Interest expense |  | 12 | 20 | 16
Total Expenses |  | 2,717 | 3,147 | 3,138
Income (loss) from continuing operations before income tax (expense) benefit |  | (252) | (252) | (282)
Income tax benefit (expense) |  | 54 | 55 | 52
Net income (loss) from continuing operations |  | (198) | (197) | (230)
Less: net income (loss) from continuing operations attributable to non-controlling interests |  | 0 |  |
Net income (loss) from continuing operations attributable to Icahn Enterprises |  | (198) | (197) | (230)
Capital expenditures |  | 35 | 47 | 66
Depreciation and amortization |  | 95 | 98 | 92
Food Packaging Segment |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Net sales/Other revenue from operations |  | 409 | 385 | 395
Other revenues from operations |  | 0 |  |
Net (loss) gain from investment activities |  | 0 |  |
Interest and dividend income |  | 0 |  | 1
(Loss) gain on disposition of assets, net |  | 0 |  |
Other income (loss), net |  | (6) | (8) | (17)
Total revenues |  | 403 | 377 | 379
Cost of goods sold/Other expenses from operations |  | 327 | 312 | 316
Other expenses from operations |  | 0 |  |
Selling, general and administrative |  | 52 | 55 | 57
Restructuring, net |  | 1 | 8 | 9
Impairment |  | 0 | 1 |
Interest expense |  | 11 | 17 | 16
Total Expenses |  | 391 | 393 | 398
Income (loss) from continuing operations before income tax (expense) benefit |  | 12 | (16) | (19)
Income tax benefit (expense) |  | (8) | (6) | 4
Net income (loss) from continuing operations |  | 4 | (22) | (15)
Less: net income (loss) from continuing operations attributable to non-controlling interests |  | 0 | (5) | (3)
Net income (loss) from continuing operations attributable to Icahn Enterprises |  | 4 | (17) | (12)
Capital expenditures |  | 19 | 17 | 25
Depreciation and amortization |  | 27 | 26 | 26
Metals Segment |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Net sales/Other revenue from operations |  | 313 | 340 | 466
Other revenues from operations |  | 0 |  |
Net (loss) gain from investment activities |  | 0 |  |
Interest and dividend income |  | 0 |  |
(Loss) gain on disposition of assets, net |  | 1 | 1 |
Other income (loss), net |  | 3 |  | 1
Total revenues |  | 317 | 341 | 467
Cost of goods sold/Other expenses from operations |  | 298 | 343 | 441
Other expenses from operations |  | 0 |  |
Selling, general and administrative |  | 16 | 15 | 19
Restructuring, net |  | 1 | 3 |
Impairment |  | 1 | 1 | 1
Interest expense |  | 1 | 1 |
Total Expenses |  | 317 | 363 | 461
Income (loss) from continuing operations before income tax (expense) benefit |  | 0 | (22) | 6
Income tax benefit (expense) |  | 0 |  | (1)
Net income (loss) from continuing operations |  | 0 | (22) | 5
Less: net income (loss) from continuing operations attributable to non-controlling interests |  | 0 |  |
Net income (loss) from continuing operations attributable to Icahn Enterprises |  | 0 | (22) | 5
Capital expenditures |  | 3 | 24 | 21
Depreciation and amortization |  | 18 | 19 | 18
Real Estate Segment |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Net sales/Other revenue from operations |  | 43 | 23 | 22
Other revenues from operations |  | 59 | 75 | 84
Interest and dividend income |  | 1 | 1 | 16
(Loss) gain on disposition of assets, net | $ 89 | (5) |  | 89
Other income (loss), net |  |  | 4 | 1
Total revenues |  | 98 | 103 | 212
Cost of goods sold/Other expenses from operations |  | 35 | 18 | 18
Other expenses from operations |  | 38 | 54 | 54
Selling, general and administrative |  | 34 | 21 | 22
Impairment |  | 7 |  |
Interest expense |  |  |  | 1
Total Expenses |  | 114 | 93 | 95
Income (loss) from continuing operations before income tax (expense) benefit |  | (16) | 10 | 117
Income tax benefit (expense) |  |  | 6 | (5)
Net income (loss) from continuing operations |  | (16) | 16 | 112
Net income (loss) from continuing operations attributable to Icahn Enterprises |  | (16) | 16 | 112
Capital expenditures |  | 11 | 22 | 13
Depreciation and amortization |  | 17 | 17 | 19
Home Fashion Segment |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Net sales/Other revenue from operations |  | 188 | 187 | 171
Other revenues from operations |  | 0 |  |
Net (loss) gain from investment activities |  | 0 |  |
Interest and dividend income |  | 0 |  |
(Loss) gain on disposition of assets, net |  | 0 |  |
Other income (loss), net |  | 2 | (1) |
Total revenues |  | 190 | 186 | 171
Cost of goods sold/Other expenses from operations |  | 150 | 159 | 144
Other expenses from operations |  | 0 |  |
Selling, general and administrative |  | 43 | 42 | 34
Restructuring, net |  | 0 | 1 | 2
Impairment |  | 3 |  | 1
Interest expense |  | 1 | 1 | 1
Total Expenses |  | 197 | 203 | 182
Income (loss) from continuing operations before income tax (expense) benefit |  | (7) | (17) | (11)
Income tax benefit (expense) |  | 0 |  |
Net income (loss) from continuing operations |  | (7) | (17) | (11)
Less: net income (loss) from continuing operations attributable to non-controlling interests |  | 0 |  |
Net income (loss) from continuing operations attributable to Icahn Enterprises |  | (7) | (17) | (11)
Capital expenditures |  | 5 | 5 | 5
Depreciation and amortization |  | 8 | 7 | 8
Pharma Segment |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Net sales/Other revenue from operations |  | 3 |  |
Other revenues from operations |  | 0 |  |
Net (loss) gain from investment activities |  | 0 |  |
Interest and dividend income |  | 0 |  |
(Loss) gain on disposition of assets, net |  | 0 |  |
Other income (loss), net |  | 0 |  |
Total revenues |  | 3 |  |
Cost of goods sold/Other expenses from operations |  | 2 |  |
Other expenses from operations |  | 0 |  |
Selling, general and administrative |  | 2 |  |
Restructuring, net |  | 0 |  |
Impairment |  | 0 |  |
Interest expense |  | 0 |  |
Total Expenses |  | 4 |  |
Income (loss) from continuing operations before income tax (expense) benefit |  | (1) |  |
Income tax benefit (expense) |  | 0 |  |
Net income (loss) from continuing operations |  | (1) |  |
Less: net income (loss) from continuing operations attributable to non-controlling interests |  | 0 |  |
Net income (loss) from continuing operations attributable to Icahn Enterprises |  | (1) |  |
Capital expenditures |  | 0 |  |
Depreciation and amortization |  | 2 |  |
Mining Segment |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Net sales/Other revenue from operations |  | 0 | 130 | 103
Other revenues from operations |  | 0 |  |
Net (loss) gain from investment activities |  | 0 |  |
Interest and dividend income |  | 0 | 1 | 1
(Loss) gain on disposition of assets, net |  | 0 | 252 | (3)
Other income (loss), net |  | 0 | (1) | 5
Total revenues |  | 0 | 382 | 106
Cost of goods sold/Other expenses from operations |  | 0 | 51 | 73
Other expenses from operations |  | 0 |  |
Selling, general and administrative |  | 0 | 15 | 27
Restructuring, net |  | 0 |  |
Impairment |  | 0 |  |
Interest expense |  | 0 | 4 | 3
Total Expenses |  | 0 | 70 | 103
Income (loss) from continuing operations before income tax (expense) benefit |  | 0 | 312 | 3
Income tax benefit (expense) |  | 0 | (1) | (2)
Net income (loss) from continuing operations |  | 0 | 311 | 1
Less: net income (loss) from continuing operations attributable to non-controlling interests |  | 0 | 12 | (2)
Net income (loss) from continuing operations attributable to Icahn Enterprises |  | 0 | 299 | 3
Capital expenditures |  | 0 | 14 | 40
Depreciation and amortization |  | 0 |  | 6
Railcar Segment |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Net sales/Other revenue from operations |  | 0 |  |
Other revenues from operations |  | 0 |  |
Net (loss) gain from investment activities |  | 0 |  |
Interest and dividend income |  | 0 |  |
(Loss) gain on disposition of assets, net |  | 0 |  | 5
Other income (loss), net |  | 0 |  |
Total revenues |  | 0 |  | 5
Cost of goods sold/Other expenses from operations |  | 0 |  |
Other expenses from operations |  | 0 |  | 1
Selling, general and administrative |  | 0 |  | 1
Restructuring, net |  | 0 |  |
Interest expense |  | 0 |  |
Total Expenses |  | 0 |  | 2
Income (loss) from continuing operations before income tax (expense) benefit |  | 0 |  | 3
Income tax benefit (expense) |  | 0 |  | (2)
Net income (loss) from continuing operations |  | 0 |  | 1
Less: net income (loss) from continuing operations attributable to non-controlling interests |  | 0 |  |
Net income (loss) from continuing operations attributable to Icahn Enterprises |  | 0 |  | 1
Capital expenditures |  | 0 |  |
Depreciation and amortization |  | 0 |  |
Holding Company |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |
Net sales/Other revenue from operations |  | 0 |  |
Other revenues from operations |  | 0 |  |
Net (loss) gain from investment activities |  | (87) | (332) | (313)
Interest and dividend income |  | 22 | 69 | 24
(Loss) gain on disposition of assets, net |  | 0 |  |
Other income (loss), net |  | (5) | 2 | (2)
Total revenues |  | (70) | (261) | (291)
Cost of goods sold/Other expenses from operations |  | 0 |  |
Other expenses from operations |  | 0 |  |
Selling, general and administrative |  | 22 | 26 | 25
Restructuring, net |  | 0 |  |
Impairment |  | 0 |  |
Interest expense |  | 342 | 350 | 337
Total Expenses |  | 364 | 376 | 362
Income (loss) from continuing operations before income tax (expense) benefit |  | (434) | (637) | (653)
Income tax benefit (expense) |  | (42) | 38 | 14
Net income (loss) from continuing operations |  | (476) | (599) | (639)
Less: net income (loss) from continuing operations attributable to non-controlling interests |  | 0 |  | (1)
Net income (loss) from continuing operations attributable to Icahn Enterprises |  | (476) | $ (599) | $ (638)
Capital expenditures |  | 2 |  |
Depreciation and amortization |  | $ 0 |  |

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