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Accounts Receivables and Accrued Revenues - Schedule of accounts receivables and accrued revenues (Detail) - CAD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Trade And Other Current Receivables [Abstract]
Accruals	$ 1,053	$ 1,221
Prepaids and Deposits	121	54
Partner Advances	175	16
Trade	96	212
Joint Operations Receivables	35	36
Other	8	17
Accounts Receivable and Accrued Revenues	$ 1,488	$ 1,556

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- Definition

Current advances to partner.

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- Definition

Current joint operations receivables.

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- Definition

Current prepaids and deposits.

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- Definition

The amount of current accrued income. [Refer: Accrued income]

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- Definition

The amount of current trade receivables. [Refer: Trade receivables]

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- Definition

The amount of current other receivables. [Refer: Other receivables]

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- Definition

The amount of current trade receivables and current other receivables. [Refer: Current trade receivables; Other current receivables]

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