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Inventories of Crude Oil and Products (Detail) - CAD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Product Information [Line Items]
Crude oil	$ 764	$ 731
Petroleum products	396	473
Chemical products	64	72
Other	72	21
Total inventories of crude oil and products	$ 1,296	$ 1,297

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Other products.

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- Definition

Carrying value of petroleum products.

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- Definition

Carrying amount as of the balance sheet date of solvents or substances produced by or used in a process to change the shape, form or composition of some related matter.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.6(a))
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Carrying amount as of the balance sheet date of petroleum or crude oil.

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-Topic 210
-SubTopic 10
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Amount before valuation reserves of merchandise or goods held by the entity that are readily available for sale and items held by the entity which are partially complete or in the process of being readied for sale.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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