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PENSION AND OTHER POSTRETIREMENT BENEFITS
 3 Months Ended
Mar. 31, 2022
Retirement Benefits [Abstract]  
PENSION AND OTHER POSTRETIREMENT BENEFITS PENSION AND OTHER POSTRETIREMENT BENEFITS
Three months ended March 31,
20222021
(millions of Canadian dollars)
Service cost45 48 
Interest cost1
41 32 
Expected return on plan assets1
(98)(84)
Amortization of actuarial (gain)/loss1
(1)14 
Net periodic benefit (credit)/cost(13)10 
1 Reported within Other income in the Consolidated Statements of Earnings.