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CHANGES IN ACCOUNTING POLICIES (Details) - CAD CAD in Millions | Dec. 31, 2016 | Dec. 31, 2015
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CHANGES IN ACCOUNTING POLICIES |  |
Deferred amounts and other assets | CAD 3,113 | CAD 3,160
Long-term debt | CAD 36,494 | 39,391
Accounting Standards Update 2015-03 | Adjustments |  |
CHANGES IN ACCOUNTING POLICIES |  |
Deferred amounts and other assets |  | (149)
Long-term debt |  | CAD (149)

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- Definition Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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