Inventories Inventories (Notes)

12 Months Ended

Dec. 31, 2016

Inventories [Abstract]

Inventory Disclosure [Text Block]

During 2016, 2015 and 2014, we had inventory writedowns of $1 million, $5 million and $9 million, respectively. These writedowns are included in "Operating expenses — Other" on our consolidated statement of operations. At December 31, 2016 and 2015, the crude oil inventory from our China operations consisted of approximately 11,500 and 335,000 barrels of crude oil, respectively.