Goodwill, Customer Relationships and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2021

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, 2021		December 31, 2020
	(Dollars in millions)
Goodwill	$	18,854	18,870
Indefinite-life intangible assets	$	9	278
Other intangible assets subject to amortization:
Customer relationships, less accumulated amortization of $11,356 and $11,060	6,035		6,344
Capitalized software, less accumulated amortization of $3,366 and $3,279	1,509		1,520
Trade names, patents and other, less accumulated amortization of $134 and $120	331		77
Total other intangible assets, net	$	7,884	8,219

Schedule of Goodwill

The following table shows the rollforward of goodwill assigned to our reportable segments, including the reorganization, from December 31, 2020 through March 31, 2021:

	International and Global Accounts		Enterprise	Small and Medium Business	Wholesale	Consumer	Business	Mass Markets	Total
	(Dollars in millions)
As of December 31, 2020(1)	$	2,555	4,738	2,808	3,114	5,655	—	—	18,870
January 2021 reorganization	(2,555)		(4,738)	(2,808)	(3,114)	(5,655)	12,173	6,697	—
Effect of foreign currency exchange rate change and other	—		—	—	—	—	(16)	—	(16)
As of March 31, 2021(1)	$	—	—	—	—	—	12,157	6,697	18,854

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(1)Goodwill at March 31, 2021 and December 31, 2020 is net of accumulated impairment losses of $12.9 billion.

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

We estimate that total amortization expense for intangible assets for the years ending December 31, 2021 through 2025 will be as follows:

	(Dollars in millions)
2021 (remaining nine months)	$	893
2022	1,081
2023	985
2024	887
2025	797