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Segmented Information - Schedule of Geographical Areas (Detail) - CAD CAD in Millions | Dec. 31, 2017 | Dec. 31, 2016
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Disclosure of geographical areas [line items] |  |
Geographical distribution of non-current assets | CAD 31,075 | CAD 29,721
Canada [member] |  |
Disclosure of geographical areas [line items] |  |
Geographical distribution of non-current assets | 22,466 | 20,853
Chile [member] |  |
Disclosure of geographical areas [line items] |  |
Geographical distribution of non-current assets | 6,077 | 6,332
Peru [member] |  |
Disclosure of geographical areas [line items] |  |
Geographical distribution of non-current assets | 1,305 | 1,286
United States [member] |  |
Disclosure of geographical areas [line items] |  |
Geographical distribution of non-current assets | 1,131 | 1,180
Other [member] |  |
Disclosure of geographical areas [line items] |  |
Geographical distribution of non-current assets | CAD 96 | CAD 70

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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- Definition Non current assets attributed to geographical locations exclude deferred income tax assets and financial and other assets. + References No definition available. + Details
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- Details
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- Details
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- Details
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- Details
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- Details
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