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- Definition

Long term purchase commitment period beginning year.

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Long term purchase commitment period ending year.

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- Definition

Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

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Amount of judgment or settlement awarded to (against) the entity in respect of litigation.

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- Definition

The minimum amount the entity agreed to spend under the long-term purchase commitment.

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- Definition

The value (monetary amount) of the award the plaintiff seeks in the legal matter.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Number of pending claims pertaining to a loss contingency.

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- Definition

Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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- Definition

Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier.

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No definition available.

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Commitments and Contingencies - Narrative (Details) CAD in Millions						12 Months Ended
	Jul. 11, 2016 CAD claim	Jul. 05, 2016 CAD	Jul. 04, 2016 CAD claim	Apr. 12, 2016 CAD	Jul. 06, 2015 CAD	Dec. 31, 2016 CAD claim	Dec. 31, 2015 CAD	Dec. 31, 2014 CAD
Commitments and Contingencies Disclosure [Line Items]
Period for which future capital and operating expenditures are committed, beginning year						2017
Period for which future capital and operating expenditures are committed, end year						2032
Estimated future purchase commitment						CAD 1,900
Total minimum lease payments						450
Expenses for operating leases						CAD 111	CAD 127	CAD 121
Lac-Megantic Rail Accident [Member]
Commitments and Contingencies Disclosure [Line Items]
Value of damages sought					CAD 409
Lac-Megantic Rail Accident [Member] \| Claimed loss or damages as a result of derailment [Member]
Commitments and Contingencies Disclosure [Line Items]
Number of subrogated insurers \| claim						2
Amount of fund distribution						CAD 440
Capital Expenditure [Member]
Commitments and Contingencies Disclosure [Line Items]
Total future committed expenditure						186
Operating Expenditures [Member]
Commitments and Contingencies Disclosure [Line Items]
Total future committed expenditure						CAD 2,500
Quebec Minister of Sustainable Development and Environment [Member] \| Lac-Megantic Rail Accident [Member]
Commitments and Contingencies Disclosure [Line Items]
Value of damages sought		CAD 95
Initial Insurer Claimants [Member] \| Lac-Megantic Rail Accident [Member] \| Subrogated Insurance Claim [Member]
Commitments and Contingencies Disclosure [Line Items]
Value of damages sought			CAD 16
Number of subrogated insurers \| claim			8
Additional Insurer Claimants [Member] \| Lac-Megantic Rail Accident [Member] \| Subrogated Insurance Claim [Member]
Commitments and Contingencies Disclosure [Line Items]
Value of damages sought	CAD 3
Number of subrogated insurers \| claim	2
The “WD Trustee” [Member] \| Lac-Megantic Rail Accident [Member] \| Lost Lading Loss Recovery [Member]
Commitments and Contingencies Disclosure [Line Items]
Value of damages sought				CAD 6
World Fuel Entities [Member] \| Lac-Megantic Rail Accident [Member]
Commitments and Contingencies Disclosure [Line Items]
Amount of fund distribution				110
Irving Oil [Member] \| Montreal Maine and Atlantic Railway Bankruptcy Estate [Member] \| Lac-Megantic Rail Accident [Member]
Commitments and Contingencies Disclosure [Line Items]
Amount of fund distribution				CAD 60