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CHANGES IN OPERATING ASSETS AND LIABILITIES
 12 Months Ended
Dec. 31, 2024
CHANGES IN OPERATING ASSETS AND LIABILITIES  
CHANGES IN OPERATING ASSETS AND LIABILITIES CHANGES IN OPERATING ASSETS AND LIABILITIES
Year ended December 31,202420232022
(millions of Canadian dollars)   
Trade receivables and unbilled revenues
(1,638)1,125 (572)
Accounts receivable from affiliates
(23)18 17 
Inventory
177 763 (599)
Other current and non-current assets
(426)1,301 (394)
Trade payables and accrued liabilities
1,383 (1,542)585 
Accounts payable to affiliates
(8)(66)16 
Interest payable
157 199 58 
Other current and long-term liabilities
245 513 877 
 (133)2,311 (12)