Acquired Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2014

Acquired Intangible Assets Disclosure [Abstract]

Schedule of acquisition-related intangible assets

Identifiable acquisition-related intangible assets as of March 31, 2014 and December 31, 2013 were as follows (dollars in millions):

	Gross Carrying Amount		Accumulated Amortization			Net
March 31, 2014
Finite-Lived Intangible Assets:
Customer Contracts and Relationships	$	786	$	(690	)	$	96
Trademarks	55		(34		)	21
Patents and Developed Technology	158		(121		)	37
	999		(845		)	154
Indefinite-Lived Intangible Assets:
Vyvx Trade Name	32		—			32
	$	1,031	$	(845	)	$	186
December 31, 2013
Finite-Lived Intangible Assets:
Customer Contracts and Relationships	$	786	$	(678	)	$	108
Trademarks	55		(31		)	24
Patents and Developed Technology	158		(117		)	41
	999		(826		)	173
Indefinite-Lived Intangible Assets:
Vyvx Trade Name	32		—			32
	$	1,031	$	(826	)	$	205

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

As of March 31, 2014, estimated amortization expense for the Company’s finite-lived acquisition-related intangible assets over the next five years and thereafter is as follows (dollars in millions):

2014 (remaining nine months)	$	45
2015	48
2016	31
2017	14
2018	13
2019	3
Thereafter	—
	$	154