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Schedule II - Valuation and Qualifying Accounts
12 Months Ended
Dec. 31, 2020
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
Valuation and Qualifying Accounts
Schedule II – Valuation and Qualifying Accounts
(in millions of Canadian dollars)Beginning balance at January 1Additions charged to expensesPayments and other reductionsImpact of FXEnding
balance at December 31
Accruals for personal injury and other claims provision(1)
2018$118 $93 $(60)$$152 
2019$152 $142 $(152)$(1)$141 
2020$141 $105 $(119)$(1)$126 
Environmental liabilities
2018$78 $$(7)$$82 
2019$82 $$(8)$(3)$77 
2020$77 $10 $(6)$(1)$80 
(1) Includes WCB, FELA, occupational, damage, and other.