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Supplemental Information to Consolidated Statements of Cash Flows | 12 Months Ended
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Dec. 31, 2017
Supplemental Cash Flow Information [Abstract] |
SUPPLEMENTARY INFORMATION TO CONSOLIDATED STATEMENTS OF CASH FLOWS | 30. SUPPLEMENTARY INFORMATIO N TO CONSOLIDATED STATEMENTS OF CASH FLOWS
For the | Year ended December 31
millions of Canadian dollars |  | 2017 |  | 2016
Changes in non-cash working capital: |  |  |  |
Receivables, net | $ | (176) | $ | (104)
Income taxes receivable |  | 8 |  | (23)
Inventory |  | 31 |  | 88
Prepayments and other current assets |  | 14 |  | (18)
Accounts payable |  | 3 |  | 162
Income taxes payable |  | (17) |  | 14
Other current liabilities |  | 33 |  | 15
Total non-cash working capital | $ | (104) | $ | 134
Supplemental disclosure of cash paid: |  |  |  |
Interest | $ | 689 | $ | 480
Income taxes | $ | 63 | $ | 57
Supplemental disclosure of non-cash activities: |  |  |  |
Common share dividends reinvested | $ | 166 | $ | 103
Beneficial Conversion Feature of the convertible debentures | $ | - | $ | 43

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