Capital Commitments	12 Months Ended
Dec. 31, 2020
Commitments [Abstract]
Capital Commitments	NOTE 22. CAPITAL COMMITMENTS At December 31, 2020, the Corporation had commitments to purchase property, plant and equipment totaling $113 million (2019 – $113 million). Payments of $24 million for these commitments are expected to be made in 2021, $53 million in 2022 and $36 million in 2023.

The disclosure of commitments.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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