Inventories (Tables)

9 Months Ended

Sep. 30, 2017

Inventory Disclosure [Abstract]

Schedule of Inventory [Table Text Block]

Inventories were as follows (in millions):

	December 31, 2016			September 30, 2017
Raw materials, work-in-process, and supplies	$	3,843		$	4,587
Finished products	5,943			7,591
Total inventories under FIFO	9,786			12,178
LIFO adjustment	(888		)	(915		)
Total inventories	$	8,898		$	11,263