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Litigation, Environmental and Other Contingencies Litigation Other Contingency (Details) $ in Millions | Dec. 31, 2018 CAD ($)
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Government of Canada [Member] | Trans Mountain,Trans Mountain Expansion Project and Other Related Assets [Member] | Backstop [Member] |
Letters of Credit Outstanding, Amount | $ 500
Commitments to Extend Credit [Member] | Trans Mountain and Trans Mountain Expansion Project [Member] |
Line of Credit Facility, Capacity Available for Specific Purpose Other than for Trade Purchases | $ 500

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- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
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- Details
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