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Investment in Cenovus Energy (Tables)

12 Months Ended

Dec. 31, 2022

Investments, Debt and Equity Securities [Abstract]

Gains and Losses Recorded in Other Income (Loss)

			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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Tabular disclosure of unrealized gains and losses on investments.

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