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Receivables And Other Current Assets (Summary of Receivables And Other Current Assets) (Details) - CAD ($) $ in Millions | Dec. 31, 2019 | Dec. 31, 2018
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17. Receivables and Other Current Assets |  |
Customer accounts receivable - billed | $ 704 | $ 844
Customer accounts receivable - unbilled | 265 | 296
Allowance for Doubtful Accounts | (9) | (11)
Other receivables | 72 | 86
Capitalized transportation capacity | 272 | 179
Income taxes receivable | 118 | 175
Prepaid expenses | 48 | 42
Net investment in direct financing lease (note 18) | 9 | 9
Other current assets | 7 | 0
Receivables and other current assets | $ 1,486 | $ 1,620

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- Definition The Carrying amount due within one year of the balance sheet date (or one operating cycle, if longer) of the value of transportation/storage received by EES on asset management agreements at the inception of the contracts. The asset is amortized over the term of each contract. + References No definition available. + Details
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- Definition Amount, after allowance, receivable from customers, clients, or other third-parties, and receivables classified as other due within one year or the normal operating cycle, if longer. + References No definition available. + Details
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- Definition Amount of allowance for credit loss on accounts receivable, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=118936363&loc=d3e5074-111524 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118955202&loc=SL82895884-210446 + Details
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