Goodwill, Customer Relationships and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of goodwill and other intangible assets

Goodwill, customer relationships and other intangible assets consisted of the following:

	December 31, 2013		December 31, 2012
	(Dollars in millions)
Goodwill	$	20,674	21,627
Customer relationships, less accumulated amortization of $3,641 and $2,524	5,935		7,052
Indefinite-life intangible assets	321		268
Other intangible assets subject to amortization
Capitalized software, less accumulated amortization of $1,193 and $844	1,415		1,522
Trade names and patents, less accumulated amortization of $208 and $142	66		128
Total other intangible assets, net	$	1,802	1,918

Schedule of estimated amortization expense for intangible assets

We estimate that total amortization expense for intangible assets for the years ending December 31, 2014 through 2018 will be as follows:

	(Dollars in millions)
2014	$	1,390
2015	1,249
2016	1,139
2017	1,027
2018	904

Schedule of goodwill attributable to segments

As of January 3, 2013, we assigned our aggregate goodwill balance to our four segments as follows.

	As of January 3, 2013
	(Dollars in millions)
Consumer	$	10,348
Business	6,363
Wholesale	3,274
Data hosting	1,642
Total goodwill	$	21,627

	As of January 3, 2013		Acquisitions		Impairment		As of   December 31, 2013
	(Dollars in millions)
Consumer	$	10,348	—		—		10,348
Business	6,363		—		—		6,363
Wholesale	3,274		—		—		3,274
Data hosting	1,642		139		(1,092	)	689
Total goodwill	$	21,627	$	139	(1,092	)	20,674