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Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2021

Disclosure Of Summary Of Significant Accounting Policies [Abstract]

Disclosure of Revisions to Prior Period

The following table reconciles the amounts previously reported in the Consolidated Statements of Earnings (Loss) to the corresponding revised amounts:

2020 and 2019 Revisions to the Oil Sands Segment

						2020																																				2019
For the years ended December 31,						Previously Reported												Revision												Revised												Previously Reported												Revision												Revised
Gross Sales									8,481												323												8,804												12,739												362												13,101
Purchased Product									939												323												1,262												1,869												362												2,231
									7,542												—												7,542												10,870												—												10,870

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