Other Intangible Assets (Notes)

6 Months Ended

Jun. 30, 2016

Acquired Intangible Assets Disclosure [Abstract]

Acquired Intangible Assets

Other Intangible Assets

Other intangible assets as of June 30, 2016 and December 31, 2015 were as follows (dollars in millions):

	Gross Carrying Amount		Accumulated Amortization			Net
June 30, 2016
Finite-Lived Intangible Assets:
Customer Contracts and Relationships	$	1,974	$	(1,023	)	$	951
Trademarks	55		(55		)	—
Patents and Developed Technology	230		(176		)	54
	2,259		(1,254		)	1,005
Indefinite-Lived Intangible Assets:
Trade Name	15		—			15
	$	2,274	$	(1,254	)	$	1,020
December 31, 2015
Finite-Lived Intangible Assets:
Customer Contracts and Relationships	$	1,975	$	(932	)	$	1,043
Trademarks	55		(55		)	—
Patents and Developed Technology	230		(161		)	69
	2,260		(1,148		)	1,112
Indefinite-Lived Intangible Assets:
Trade Name	15		—			15
	$	2,275	$	(1,148	)	$	1,127

Finite-lived intangible asset amortization expense was $53 million and $106 million for the three and six months ended June 30, 2016 and $58 million and $114 million for the three and six months ended June 30, 2015.

At June 30, 2016, the weighted average remaining useful lives of the Company's finite-lived intangible assets was 5.3 years in total; 5.4 years for customer contracts and relationships, and 3.0 years for patents and developed technology.

As of June 30, 2016, estimated amortization expense for the Company’s finite-lived intangible assets over the next five years is as follows (dollars in millions):

2016 (remaining six months)	$	105
2017	196
2018	193
2019	181
2020	166
2021	143
Thereafter	21
	$	1,005