Inventories (Tables)

9 Months Ended

Sep. 30, 2013

Inventory Disclosure [Abstract]

Inventories

Inventories consisted of the following (in millions):

	September 30, 2013		December 31, 2012
Raw materials	$	218	$	192
Work in process	1,807		1,723
Finished goods	813		829
Total inventories	$	2,838	$	2,744