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ACCOUNTS RECEIVABLE AND OTHER
 12 Months Ended
Dec. 31, 2021
Receivables [Abstract]  
ACCOUNTS RECEIVABLE AND OTHER ACCOUNTS RECEIVABLE AND OTHER
December 31,20212020
(millions of Canadian dollars)
Trade receivables and unbilled revenues1
4,957 3,923 
Short-term portion of derivative assets (Note 24)
529 323 
Regulatory assets (Note 7)
259 232 
Taxes receivable407 374 
Other710 406 
 6,862 5,258 
1 Net of allowance for expected credit losses of $87 million as at December 31, 2021 and $70 million as at December 31, 2020.