Summary Of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2011

Summary Of Significant Accounting Policies [Abstract]

Research And Development Expenses

Year Ended December 31	2009		2010		2011
Company-sponsored R&D,including product development costs	$	360	$	325	$	372
Bid and proposal costs		160		183		173
Total company-sponsored R&D		520		508		545
Customer-sponsored R&D		405		548		667
Total R&D	$	925	$	1,056	$	1,212

Net Interest

Year Ended December 31	2009		2010		2011
Interest expense	$	171	$	167	$	155
Interest income		(11)		(10)		(14)
Interest expense, net	$	160	$	157	$	141
Interest payments	$	137	$	168	$	133