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LEASES (Tables)
12 Months Ended
Dec. 31, 2022
Disclosure of leases [Abstract]  
Summary of activity related to lease liabilities
Below is a summary of the activity related to our lease liabilities for the year ended December 31, 2022. Certain of our lease liabilities are secured by the underlying right-of-use assets; the underlying right-of-use assets have a net carrying amount of $400 million as at December 31, 2022 (2021 - $338 million).
Years ended December 31
(In millions of dollars)20222021
Lease liabilities, beginning of year1,957 1,835 
Net additions383 386 
Interest expense on lease liabilities80 74 
Interest payments on lease liabilities(76)(69)
Principal payments of lease liabilities(316)(269)
Lease liabilities, end of year2,028 1,957 
Current liability362 336 
Long-term liability1,666 1,621 
Lease liabilities2,028 1,957