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Assets Held For Sale	12 Months Ended
	Dec. 31, 2017
Assets Held For Sale [Abstract]
Assets Held For Sale	Assets Held for Sale At December 31, 2017, the company classified $640 of net properties, plant and equipment as “Assets held for sale” on the Consolidated Balance Sheet. These assets are primarily associated with downstream and upstream operations that are anticipated to be sold in the next 12 months. The revenues and earnings contributions of these assets in 2017 were not material.

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Assets Held For Sale [Abstract]

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Assets Held For Sale Disclosure [Text Block]

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