Goodwill, Customer Relationships and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets and Goodwill

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

	March 31, 2020		December 31, 2019
	(Dollars in millions)
Goodwill	$	21,473	21,534
Customer relationships, less accumulated amortization of $10,114 and $9,809	$	7,245	7,596
Indefinite-life intangible assets	$	269	269
Other intangible assets subject to amortization:
Capitalized software, less accumulated amortization of $3,031 and $2,957	$	1,617	1,599
Trade names and patents, less accumulated amortization of $98 and $91	95		103
Total other intangible assets, net	$	1,981	1,971

Schedule of Goodwill

The following table shows the rollforward of goodwill assigned to our reportable segments from December 31, 2019 through March 31, 2020:

	International and Global Accounts			Enterprise	Small and Medium Business	Wholesale	Consumer	Total
	(Dollars in millions)
As of December 31, 2019	$	2,670		4,738	3,259	3,813	7,054	21,534
Effect of foreign currency exchange rate change and other	(61		)	—	—	—	—	(61	)
As of March 31, 2020	$	2,609		4,738	3,259	3,813	7,054	21,473

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

We estimate that total amortization expense for intangible assets for the years ending December 31, 2020 through 2024 will be as follows:

	(Dollars in millions)
2020 (remaining nine months)	$	1,269
2021	1,226
2022	999
2023	916
2024	851