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INVENTORY, NET (Details) - USD ($)
$ in Millions
Jun. 30, 2018
Dec. 31, 2017
Current    
Raw materials and consumables $ 111 $ 138
Fuel products 634 612
Work in progress 115 94
RTFO certificates 256 193
Finished goods and other 138 31
Carrying amount of inventories 1,254 1,068
RTFO certificates held for trading and recorded at fair value $ 1 $ 60