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PROVISIONS (Tables)
12 Months Ended
Dec. 31, 2020
Other Provisions, Contingent Liabilities and Contingent Assets [Abstract]  
Disclosure of provisions
(In millions of dollars)Decommissioning LiabilitiesOtherTotal
December 31, 201941 44 
Additions— 
Adjustments to existing provisions— 
Amounts used(1)(3)(4)
December 31, 202045 46 
Current (recorded in "other current liabilities")— 
Long-term41 42