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Investment in Cenovus Energy | 12 Months Ended
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Dec. 31, 2022
Investments, Debt and Equity Securities [Abstract] |
Investment in Cenovus Energy | Note 5—Investment in Cenovus Energy At December 31, 2021, we held 91 million common shares of Cenovus Energy (CVE), which approximated 4.5 percent of the issued and outstanding common shares of CVE. Those shares were carried on our balance sheet at fair value of $1.1 billion based on NYSE closing price of $12.28 per share on the last day of trading for the period. During the first quarter of 2022, we sold our remaining 91 million shares, recognizing proceeds of $1.4 billion. All gains and losses were recognized within "Other income (loss)" on our consolidated income statement. Proceeds related to the sale of our CVE shares were included within "Cash Flows from Investing Activities" on our consolidated statement of cash flows. See Note 13.
| Millions of Dollars
| 2022 | 2021 | 2020
Total Net gain (loss) on equity securities | $ | 251 |  | 1,040 |  | (855) |
Less: Net gain (loss) on equity securities sold during the period | 251 |  | 473 |  |
Unrealized gain (loss) on equity securities still held at the reporting date | $ |  |  | 567 |  | (855) |

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