Inventories (Tables)

3 Months Ended

Mar. 31, 2012

Inventories [Abstract]

Inventories

(In millions)	March 31, 2012			December 31, 2011
Finished goods	$	1,210		$	1,012
Work in process		2,233			2,202
Raw materials		418			399
		3,861			3,613
Progress/milestone payments		(1,268	)		(1,211	)
	$	2,593		$	2,402