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INVENTORIES (Details) - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
INVENTORIES |  |
Crude oil | $ 1,689 | $ 1,424
Refined products | 1,290 | 1,033
Energy trading commodity inventories | 782 | 702
Total current inventories | 3,761 | 3,159
Write-downs (reversals of write-downs) of inventories |  |
Crude oil held for trading purpose | 210 | 247
Product inventory expensed | $ 13,300 | $ 14,800

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