Goodwill and Identifiable Intangible Assets (Tables)

3 Months Ended

Mar. 30, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

The table below presents the changes in goodwill allocated to the Company’s reporting units in each reportable segment.



	Electronic Systems			Aerospace Systems			Communication Systems			Sensor Systems			Consolidated Total
	(in millions)
Goodwill	$	2,856		$	1,146		$	1,058		$	1,659		$	6,719
Accumulated impairment losses	(43		)	—			(35		)	(26		)	(104		)
December 31, 2017	2,813			1,146			1,023			1,633			6,615
Foreign currency translation adjustments	14			(2		)	—			5			17
March 30, 2018	2,827			1,144			1,023			1,638			6,632
Goodwill	2,870			1,144			1,058			1,664			6,736
Accumulated impairment losses	(43		)	—			(35		)	(26		)	(104		)
	$	2,827		$	1,144		$	1,023		$	1,638		$	6,632

Identifiable Intangible Assets

The table below presents information for the Company’s identifiable intangible assets that are subject to amortization and indefinite-lived intangible assets.



		March 30, 2018						December 31, 2017
	Weighted Average Amortization Period	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
	(in years)	(in millions)
Customer contractual relationships	14	$	393	$	263	$	130	$	393	$	257	$	136
Technology	10	189		116		73		189		114		75
Other	15	29		14		15		29		14		15
Total subject to amortization		611		393		218		611		385		226
IPR&D	indefinite	66		—		66		66		—		66
Total		$	677	$	393	$	284	$	677	$	385	$	292

Amortization Expense

The table below presents amortization expense recorded by the Company for its identifiable intangible assets.



	First Quarter Ended
	March 30, 2018		March 31, 2017
	(in millions)
Amortization expense	$	11	$	10

Estimated Amortization Expense

Based on gross carrying amounts at March 30, 2018, the Company’s estimate of amortization expense for identifiable intangible assets for the years ending December 31, 2018 through 2022 is presented in the table below.



	Year Ending December 31,
	2018		2019		2020		2021		2022
	(in millions)
Estimated amortization expense	$	44	$	39	$	31	$	25	$	21