Segment Information (Tables)

9 Months Ended

Sep. 29, 2019

Segment Reporting [Abstract]

Summary Of Financial Information For Each Of Our Segments

Summary financial information for each of our segments follows:

	Revenue				Operating Earnings
Three Months Ended	September 29, 2019		September 30, 2018		September 29, 2019		September 30, 2018
Aerospace	$	2,495	$	2,031	$	393	$	376
Combat Systems	1,740		1,523		264		241
Information Technology	2,071		2,307		146		157
Mission Systems	1,220		1,230		185		179
Marine Systems	2,235		2,003		209		169
Corporate	—		—		19		13
Total	$	9,761	$	9,094	$	1,216	$	1,135
Nine Months Ended
Aerospace	$	6,871	$	5,751	$	1,052	$	1,108
Combat Systems	5,035		4,497		712		701
Information Technology	6,398		5,887		456		414
Mission Systems	3,655		3,475		495		478
Marine Systems	6,618		6,205		586		548
Corporate	—		—		19		(18		)
Total	$	28,577	$	25,815	$	3,320	$	3,231