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Inventories

6 Months Ended

Jun. 30, 2015

Inventory Disclosure [Abstract]

Inventories

Inventories consisted of the following (in millions):



	June 30, 2015				December 31, 2014
Raw materials	$	221			$	198
Work in process	1,320				1,551
Finished goods	1,026				898
Total inventories	$	2,567			$	2,647