PENSION PLAN - Defined Benefit Obligations (Details) - CAD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Registered Plans
Disclosure of defined benefit plans [line items]
Total present value of obligations	$ 250	$ 212
Fair value of plan assets	231	193
Recognized liability for defined benefit obligations	(19)	(19)
Supplemental Plan
Disclosure of defined benefit plans [line items]
Total present value of obligations	16	12
Fair value of plan assets	0	0
Recognized liability for defined benefit obligations	$ (16)	$ (12)

The present value, without deducting any plan assets, of expected future payments required to settle the obligation resulting from employee service in the current and prior periods. [Refer: Plan assets, at fair value]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 19
-IssueDate 2019-01-01
-Paragraph 57
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2019-en-r&anchor=para_57_a&doctype=Standard
-URIDate 2019-03-27

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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

+ References

No definition available.

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- Definition

The fair value of defined benefit plan assets. Plan assets comprise assets held by a long-term employee benefit fund and qualifying insurance policies. [Refer: At fair value [member]]

+ References

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- Definition

The fair value of any plan assets, less the present value of the defined benefit obligation. [Refer: Plan assets [member]]

+ References

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