Inventories (Tables)

12 Months Ended

Dec. 31, 2014

Inventory Disclosure [Abstract]

Inventories

Inventories at December 31 consisted of:

	2014		2013
Finished goods	$	1,588	$	1,738
Raw materials and work in process	5,141		5,894
Supplies	197		225
Total (approximates current cost)	6,926		7,857
Increase to LIFO costs	309		73
	$	7,235	$	7,930
Recognized as:
Inventories	$	5,571	$	6,226
Other assets	1,664		1,704