Acquisitions and Divestitures, Goodwill, and Intangible Assets (Tables)

6 Months Ended

Jul. 02, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Changes In The Carrying Amount Of Goodwill By Reporting Unit

The changes in the carrying amount of goodwill by reporting unit for the six-month period ended July 2, 2017, were as follows:

	Aerospace		Combat Systems		Information Systems and Technology		Marine Systems		Total Goodwill
December 31, 2016 (a)	$	2,537	$	2,598	$	6,013	$	297	$	11,445
Acquisitions (b)	32		—		29		—		61
Other (c)	113		47		13		—		173
July 2, 2017 (a)	$	2,682	$	2,645	$	6,055	$	297	$	11,679

(a)Goodwill on December 31, 2016, and July 2, 2017, in the Information Systems and Technology reporting unit is net of $2 billion of accumulated impairment losses.

(b)Includes adjustments during the purchase price allocation period.

(c)Consists primarily of adjustments for foreign currency translation.

Intangible Assets

Intangible assets consisted of the following:

	Gross Carrying Amount (a)		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount (a)		Accumulated Amortization			Net Carrying Amount
	July 2, 2017							December 31, 2016
Contract and program intangible assets (b)	$	1,628	$	(1,287	)	$	341	$	1,633	$	(1,281	)	$	352
Trade names and trademarks	475		(157		)	318		446		(139		)	307
Technology and software	129		(104		)	25		121		(102		)	19
Other intangible assets	155		(154		)	1		154		(154		)	—
Total intangible assets	$	2,387	$	(1,702	)	$	685	$	2,354	$	(1,676	)	$	678

(a) Change in gross carrying amounts consists primarily of adjustments for foreign currency translation and acquired intangible assets.

(b) Consists of acquired backlog and probable follow-on work and associated customer relationships.