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CHANGES IN OPERATING ASSETS AND LIABILITIES | 12 Months Ended
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Dec. 31, 2018
CHANGES IN OPERATING ASSETS AND LIABILITIES |
CHANGES IN OPERATING ASSETS AND LIABILITIES | CHANGES IN OPERATING ASSETS AND LIABILITIES
Year ended December 31, | 2018 |  | 2017 |  | 2016 |
(millions of Canadian dollars) |  |  |  |  |  |
Accounts receivable and other | 857 |  | (783 | ) | (437 | )
Accounts receivable from affiliates | 54 |  | 24 |  | (7 | )
Inventory | 164 |  | (289 | ) | (371 | )
Deferred amounts and other assets | 226 |  | (138 | ) | (183 | )
Accounts payable and other | (151 | ) | 277 |  | 386 |
Accounts payable to affiliates | (122 | ) | (62 | ) | 71 |
Interest payable | 25 |  | 124 |  | 20 |
Other long-term liabilities | (138 | ) | 509 |  | 153 |
| 915 |  | (338 | ) | (368 | )

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