INTANGIBLE ASSETS

12 Months Ended

Jun. 30, 2017

Intangible Assets, Net (Excluding Goodwill) [Abstract]

We assess the recoverability of the carrying value of our long-lived assets, including intangible assets with finite useful lives, whenever events or changes in circumstances indicate the carrying amount of the assets may not be recoverable.

Intangible assets are summarized below:



	2017						2016
	Gross Carrying Amount		Accumulated Amortization		Net		Gross Carrying Amount		Accumulated Amortization		Net

	(In millions)
Customer relationships	$	1,205	$	233	$	972	$	1,206	$	139	$	1,067
Developed technologies	208		101		107		209		82		127
Contract backlog	—		—		—		25		25		—
Trade names	58		34		24		55		19		36
Other	2		1		1		9		8		1
Total intangible assets	$	1,473	$	369	$	1,104	$	1,504	$	273	$	1,231

Amortization expense related to intangible assets was $126 million, $129 million and $29 million in fiscal 2017, 2016 and 2015, respectively, including approximately $109 million, $109 million and $9 million, respectively, of amortization expense for intangible assets related to our acquisition of Exelis.

Future estimated amortization expense for intangible assets is as follows:



	Total
	(In millions)
Fiscal Years:
2018	$	116
2019	115
2020	102
2021	101
2022	101
Thereafter	569
Total	$	1,104