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Business Segments (Parenthetical) (Detail) - CAD
CAD in Millions

3 Months Ended

6 Months Ended

Jun. 30, 2016

Jun. 30, 2015

Jun. 30, 2016

Jun. 30, 2015

Segment Reporting Information [Line Items]

Operating revenues

^[1],[2]

CAD 6,225

^[3]

CAD 7,272

^[3]

CAD 11,399

^[4]

CAD 13,442

^[4]

United States Exports

Segment Reporting Information [Line Items]

Operating revenues

CAD 966

CAD 1,362

CAD 1,763

CAD 2,163

[1]	Amounts from related parties included in operating revenues.*
[2]	Federal excise tax included in operating revenues.
[3]	Included export sales to the United States of $966 million (2015 - $1,362 million). Export sales to the United States were recorded in all operating segments, with the largest effects in the Upstream segment.
[4]	Included export sales to the United States of $1,763 million (2015 - $2,163 million). Export sales to the United States were recorded in all operating segments, with the largest effects in the Upstream segment.

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- Definition

Total revenue from sales of goods and services during the reporting period, reduced by sales returns and allowances and sales discounts. Also includes federal excise tax which is then deducted as an expense.

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- Definition

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