Acquired Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2015

Acquired Intangible Assets Disclosure [Abstract]

Schedule of acquisition-related intangible assets

Identifiable acquisition-related intangible assets as of September 30, 2015 and December 31, 2014 were as follows (dollars in millions):

	Gross Carrying Amount		Accumulated Amortization			Net
September 30, 2015
Finite-Lived Intangible Assets:
Customer Contracts and Relationships	$	1,975	$	(884	)	$	1,091
Trademarks	55		(55		)	—
Patents and Developed Technology	230		(154		)	76
	2,260		(1,093		)	1,167
Indefinite-Lived Intangible Assets:
Trade Name	15		—			15
	$	2,275	$	(1,093	)	$	1,182
December 31, 2014
Finite-Lived Intangible Assets:
Customer Contracts and Relationships	$	1,977	$	(741	)	$	1,236
Trademarks	115		(47		)	68
Patents and Developed Technology	228		(133		)	95
	2,320		(921		)	1,399
Indefinite-Lived Intangible Assets:
Trade Name	15		—			15
	$	2,335	$	(921	)	$	1,414

Schedule of estimated amortization expense of finite-lived acquisition-related intangible assets

As of September 30, 2015, estimated amortization expense for the Company’s finite-lived acquisition-related intangible assets over the next five years is as follows (dollars in millions):

2015 (remaining three months)	$	54
2016	212
2017	196
2018	193
2019	182
2020	166
Thereafter	164
	$	1,167