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ASSET RETIREMENT OBLIGATIONS (Details) (CAD) In Millions, unless otherwise specified | Jun. 30, 2014
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Asset retirement obligation |
Asset retirement obligation (ARO) | 168
Accounts payable and other |
Asset retirement obligation |
Asset retirement obligation (ARO) | 64
Other long-term liabilities |
Asset retirement obligation |
Asset retirement obligation (ARO) | 104
Line 3 Replacement Program |
Asset retirement obligation |
Asset retirement obligation (ARO) | 104
EEP | Decommissioning of certain portions of line 6B lakehead system |
Asset retirement obligation |
Asset retirement obligation (ARO) | 64

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- Definition The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Asset Retirement Obligation -URI http://asc.fasb.org/extlink&oid=6505190 + Details
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