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Investment in Cenovus Energy | 6 Months Ended
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Jun. 30, 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% of their issued and outstanding common shares. 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” 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 11.
| Millions of Dollars
| Three Months Ended June 30 | Six Months Ended June 30
| 2022 | 2021 | 2022 | 2021
Total Net gain on equity securities | $ | — |  | 418 |  | 251 |  | 726 |
Less: Net gain on equity securities sold during the period | — |  | 31 |  | 251 |  | 60 |
Unrealized gain on equity securities still held at the reporting date | $ | — |  | 387 |  | $ | — |  | 666 |

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- Definition The entire disclosure for investments in certain debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -URI http://asc.fasb.org/subtopic&trid=2209399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -URI http://asc.fasb.org/subtopic&trid=2324412 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -URI http://asc.fasb.org/topic&trid=2196928 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 940 -SubTopic 320 -URI http://asc.fasb.org/subtopic&trid=2176304 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1403 -Paragraph (b) + Details
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