Goodwill, Customer Relationships and Other Intangible Assets Goodwill, Customer Relationships and Other Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets and Goodwill

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

	June 30, 2018		December 31, 2017
	(Dollars in millions)
Goodwill	$	30,715	30,475
Customer relationships, less accumulated amortization of $7,803 and $7,096	$	9,667	10,876
Indefinite-life intangible assets	$	269	269
Other intangible assets subject to amortization:
Capitalized software, less accumulated amortization of $2,447 and $2,294	1,454		1,469
Trade names and patents, less accumulated amortization of $46 and $31	146		159
Total other intangible assets, net	$	1,869	1,897

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

We estimate that total amortization expense for intangible assets (which include preliminary estimates for the intangible assets acquired from Level 3) for the years ending December 31, 2018 through 2022 will be as follows:

	(Dollars in millions)
2018 (remaining six months)	$	889
2019	1,691
2020	1,588
2021	1,156
2022	979

Schedule of Goodwill

The following table shows the rollforward of goodwill assigned to our reportable segments from December 31, 2017 through June 30, 2018:

	Business			Consumer	Total
	(Dollars in millions)
As of December 31, 2017	$	20,197		10,278	30,475
Purchase accounting and other adjustments	306			—	306
Effect of foreign currency rate change	(66		)	—	(66	)
As of June 30, 2018	$	20,437		10,278	30,715