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DEFERRED AMOUNTS AND OTHER ASSETS (Details) - CAD CAD in Millions | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
DEFERRED AMOUNTS AND OTHER ASSETS |  |  |
Regulatory assets (Note 5) | CAD 1,662 | CAD 1,752 |
Long-term portion of derivative assets (Note 24) | 373 | 199 |
Affiliate long-term notes receivable (Note 30) | 152 | 183 |
Contractual receivables | 432 | 382 |
Deferred financing costs | 200 | 166 |
Other | 490 | 526 |
Deferred amounts and other assets | 3,309 | 3,208 |
Deferred amounts subject to amortization | 406 | 366 |
Accumulated amortization of deferred costs | 193 | 189 |
Amortization expense of deferred cost | CAD 55 | CAD 38 | CAD 34

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- Definition Amounts due for billed services rendered or to be rendered, actions taken or to be taken, or a promise to refrain from taking certain actions in accordance with the terms of a legally binding agreement between the Company and, at a minimum, one other party. An example would be amounts billed to customers under contracts or programs but not paid as of the balance sheet date. + 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 210.5-02.3(c)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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