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INVENTORY, NET - Carrying Amount of Inventories (Details) - USD ($)
$ in Millions
Dec. 31, 2017
Dec. 31, 2016
Current    
Raw materials and consumables $ 138 $ 75
Fuel products (3) 612 0
Work in progress 94 59
RTFO certificates 193 0
Finished goods other 31 95
Carrying amount of inventories 1,068 $ 229
RTFO certificates held for trading and recorded at fair value $ 60