XML 46 R21.htm IDEA: XBRL DOCUMENT
v3.6.0.2

INTANGIBLE ASSETS | 12 Months Ended
--- | ---
Dec. 31, 2016
INTANGIBLE ASSETS |
INTANGIBLE ASSETS | 14. INTANGIBLE ASSETS
|  | Weighted Average |  |  |  | Accumulated |  |  |
December 31, 2016 |  | Amortization Rate |  | Cost |  | Amortization |  | Net |
(millions of Canadian dollars) |  |  |  |  |  |  |  |  |
Software |  | 11.8% |  | 1,388 |  | 607 |  | 781 |
Natural gas supply opportunities |  | 3.2% |  | 435 |  | 127 |  | 308 |
Power purchase agreements |  | 3.2% |  | 100 |  | 14 |  | 86 |
Customer relationships |  | 3.0% |  | 251 |  | 4 |  | 247 |
Land leases, permits and other |  | 4.8% |  | 213 |  | 62 |  | 151 |
|  |  |  | 2,387 |  | 814 |  | 1,573 |
|  | Weighted Average |  |  |  | Accumulated |  |  |
December 31, 2015 |  | Amortization Rate |  | Cost |  | Amortization |  | Net |
(millions of Canadian dollars) |  |  |  |  |  |  |  |  |
Software |  | 11.6% |  | 1,295 |  | 516 |  | 779 |
Natural gas supply opportunities |  | 4.0% |  | 484 |  | 122 |  | 362 |
Power purchase agreements |  | 3.8% |  | 94 |  | 11 |  | 83 |
Land leases, permits and other |  | 4.2% |  | 163 |  | 39 |  | 124 |
|  |  |  | 2,036 |  | 688 |  | 1,348 |
Total amortization expense for intangible assets was $177 million (2015 - $158 million; 2014 - $106 million) for the year ended December 31, 2016. The Company expects amortization expense for intangible assets for the years ending December 31, 2017 through 20 21 of $198 million, $178 million, $159 million, $143 million and $129 million, respectively.

X
- Definition The entire disclosure for all or part of the information related to intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275 + Details
Name: | us-gaap_IntangibleAssetsDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_IntangibleAssetsNetExcludingGoodwillAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration