Goodwill, Customer Relationships and Other Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of acquisition-related intangible assets

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

	June 30, 2020		December 31, 2019
	(Dollars in millions)
Goodwill	$	7,355	7,415
Other intangible assets subject to amortization:
Customer relationships, less accumulated amortization of $1,878 and $1,538	$	6,484	6,865
Capitalized software, less accumulated amortization of $204 and $146	413		395
Trade names, less accumulated amortization of $70 and $57	61		74
Total other intangible assets, net	$	6,958	7,334

Schedule of goodwill

The following table shows the rollforward of goodwill from December 31, 2019 through June 30, 2020:

	(Dollars in millions)
As of December 31, 2019	$	7,415
Effect of foreign currency exchange rate changes and other	(60)
As of June 30, 2020	$	7,355

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

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 six months)	$	420
2021	837
2022	776
2023	749
2024	737