Inventories (Tables)

12 Months Ended

Dec. 31, 2014

Inventory Disclosure [Abstract]

Components of Inventory [Table Text Block]

The following table summarizes the components of Inventories (dollars in millions):

	December 31, 2014		December 31, 2013
Productive material, supplies and work in process	$	5,380	$	5,872
Finished product, including service parts	8,262		8,167
Total inventories	$	13,642	$	14,039