Inventories (Tables)

9 Months Ended

Sep. 30, 2018

Inventory Disclosure [Abstract]

Schedule of Inventory [Table Text Block]

Inventories were as follows (in millions):

	December 31, 2017		September 30, 2018
Raw materials, work-in-process, and supplies	$	4,397	$	4,740
Finished products	6,779		8,070
Total inventories	$	11,176	$	12,810