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CHANGES IN OPERATING ASSETS AND LIABILITIES | 12 Months Ended
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Dec. 31, 2021
CHANGES IN OPERATING ASSETS AND LIABILITIES |
CHANGES IN OPERATING ASSETS AND LIABILITIES | CHANGES IN OPERATING ASSETS AND LIABILITIES
Year ended December 31, | 2021 | 2020 | 2019
(millions of Canadian dollars) |  |  |
Accounts receivable and other | (1,228) |  | 1,546 |  | (547) |
Accounts receivable from affiliates | (38) |  | 8 |  | 6 |
Inventory | (118) |  | (254) |  | (24) |
Deferred amounts and other assets | (195) |  | (586) |  | 133 |
Accounts payable and other | (63) |  | (770) |  | 63 |
Accounts payable to affiliates | 52 |  | 1 |  | (24) |
Interest payable | 43 |  | 31 |  | (41) |
Other long-term liabilities | (69) |  | 117 |  | 175 |
| (1,616) |  | 93 |  | (259) |

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