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GOODWILL
 12 Months Ended
Dec. 31, 2024
Goodwill and Intangible Assets Disclosure [Abstract]  
GOODWILL GOODWILL
Liquids PipelinesGas TransmissionGas Distribution and StorageRenewable Power GenerationConsolidated
(millions of Canadian dollars)
Balance at January 1, 2023
8,549 18,106 5,397 388 32,440 
Foreign exchange and other
(205)(425)— (8)(638)
Acquisition3
— 46 — — 46 
Balance at December 31, 20231,2
8,344 17,727 5,397 380 31,848 
Dispositions4
— (1,026)— — (1,026)
Foreign exchange and other
672 1,354 204 34 2,264 
Acquisitions5
— 223 3,291 — 3,514 
Balance at December 31, 20241,2
9,016 18,278 8,892 414 36,600 
1Gross goodwill as at December 31, 2024 and 2023 was $40.7 billion and $35.9 billion, respectively.
2Accumulated impairment as at December 31, 2024 and 2023 was $4.1 billion.
3In 2023, we recorded $46 million of goodwill related to the acquisition of Aitken Creek. Refer to Note 8 - Acquisitions and Disposition.
4In 2024, we derecognized $1.0 billion of goodwill related to the sale of our interests in the Alliance Pipeline and Aux Sable. Refer to Note 13 - Long-Term Investments.
5In 2024, we recorded $895 million of goodwill related to the PSNC Acquisition, $793 million of goodwill related to the Questar Acquisition, $1.6 billion of goodwill related to the EOG Acquisition, and $223 million of goodwill related to the RNG Facilities Acquisition. Refer to Note 8 - Acquisitions and Disposition.