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CHANGES IN OPERATING ASSETS AND LIABILITIES (Tables)
12 Months Ended
Dec. 31, 2023
CHANGES IN OPERATING ASSETS AND LIABILITIES  
Schedule of Changes in Operating Assets and Liabilities
Year ended December 31,202320222021
(millions of Canadian dollars)   
Trade receivables and unbilled revenues
1,125 (572)(1,030)
Other current assets
1,278 (395)(198)
Accounts receivable from affiliates
18 17 (38)
Inventory
763 (599)(118)
Deferred amounts and other assets
23 (195)
Trade payables and accrued liabilities
(1,542)585 652 
Other current liabilities
339 515 (565)
Accounts payable to affiliates
(66)16 52 
Interest payable
199 58 43 
Other long-term liabilities
174 362 (69)
 2,311 (12)(1,466)