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Investments (Tables) | 12 Months Ended
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Dec. 31, 2019
Investment Segment |
Investment [Line Items] |
Investment |
| December 31, |  |
| 2019 |  | 2018
Assets | (in millions) |  |
Investments: |  |  |
Equity securities: |  |  |
Basic materials | $ | 281 |  |  | $ | 414 |
Consumer, non-cyclical | 2,085 |  |  | 2,161 |
Consumer, cyclical | 2,427 |  |  | 1,161 |
Energy | 1,717 |  |  | 1,598 |
Financial | — |  |  | 167 |
Technology | 2,425 |  |  | 1,040 |
Other | 127 |  |  | 145 |
| 9,062 |  |  | 6,686 |
Corporate debt securities | 145 |  |  | 181 |
| $ | 9,207 |  |  | $ | 6,867 |
Liabilities |  |  |
Securities sold, not yet purchased, at fair value: |  |  |
Equity securities: |  |  |
Basic materials | $ | 209 |  |  | $ | — |
Consumer, non-cyclical | 29 |  |  | 57 |
Consumer, cyclical | 379 |  |  | 106 |
Energy | 124 |  |  | 305 |
Financial | 152 |  |  | — |
Technology | 217 |  |  | — |
Other | 80 |  |  | — |
| $ | 1,190 |  |  | $ | 468 |
Equity Method Investments |
| Voting Interests(1) |  | Fair Value of Investment |  |  |  | Gains (Losses) Recognized in Income |  |  |  |
| December 31, 2019 |  | December 31, |  |  |  | Year Ended December 31, |  |  |  |
|  |  | 2019 |  | 2018 |  | 2019 |  | 2018 |  | 2017
|  |  | (in millions) |  |  |  |  |  |  |  |
Herbalife Nutrition Ltd. | 19.1% |  |  | $ | 1,343 |  |  | $ | 1,661 |  |  | $ | (318) |  |  |  | $ | 864 |  |  |  | $ | 357 |
Hertz Global Holdings, Inc. | 24.6% |  |  | 551 |  |  | 320 |  |  | 105 |  |  |  | (197) |  |  |  | 13 |
Caesars Entertainment Corporation | 13.4% |  |  | 1,243 |  |  | — |  |  | 478 |  |  |  | — |  |  |  | — |
|  |  | $ | 3,137 |  |  |  | $ | 1,981 |  |  | $ | 265 |  |  |  | $ | 667 |  |  |  | $ | 370 |
(1) Voting interest represents our share of the voting common stock currently held as of December 31, 2019; however, voting common stock held by Mr. Icahn and his affiliates (excluding us) are not included.
Summarized Financial Information of Equity Method Investments | Herbalife Nutrition Ltd.
| December 31, |  |
| 2019 |  | 2018
| (in millions) |  |
Total assets | $ | 2,679 |  |  | $ | 2,790 |
Total liabilities | 3,069 |  |  | 3,513 |
Equity (deficit) | (390) |  |  | (723) |
| Year Ended December 31, |  |  |  |
| 2019 |  | 2018 |  | 2017
| (in millions) |  |  |  |
Revenue | $ | 4,877 |  |  |  | $ | 4,892 |  |  |  | $ | 4,428 |
Net income attributable to shareholders | 311 |  |  |  | 297 |  |  |  | 214 |
Hertz Global Holdings, Inc.
| December 31, |  |
| 2019 |  | 2018
| (in millions) |  |
Total assets | $ | 24,627 |  |  | $ | 21,382 |
Total liabilities | 22,739 |  |  | 20,262 |
Equity | 1,888 |  |  | 1,120 |
| Year Ended December 31, |  |  |  |
| 2019 |  | 2018 |  | 2017
| (in millions) |  |  |  |
Revenue | $ | 9,779 |  |  |  | $ | 9,504 |  |  |  | $ | 8,803 |
Net income attributable to shareholders | (58) |  |  |  | (225) |  |  |  | 327 |
Other Segments and Holding Company |
Investment [Line Items] |
Investment |
| December 31, |  |
| 2019 |  | 2018
| (in millions) |  |
Equity method investments | $ | 201 |  |  | $ | 143 |
Other investments (measured at fair value) | 537 |  |  | 1,327 |
| $ | 738 |  |  | $ | 1,470 |

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