Goodwill, Customer Relationships and Other Intangible Assets

9 Months Ended

Sep. 30, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill, Customer Relationships and Other Intangible Assets

Goodwill, Customer Relationships and Other Intangible Assets

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

	September 30, 2019		December 31, 2018
	(Dollars in millions)
Goodwill	$	9,360	9,360
Customer relationships, less accumulated amortization of $5,129 and $4,806	$	570	893
Other intangible assets, less accumulated amortization of $1,760 and $1,712	$	329	311

As of September 30, 2019, the gross carrying amount of goodwill, customer relationships and other intangible assets was $17.1 billion. The total amortization expense for intangible assets for the three months ended September 30, 2019 and 2018 totaled $133 million and $144 million, respectively, and for the nine months ended September 30, 2019 and 2018 totaled $404 million and $440 million, respectively.

We estimate that total amortization expense for intangible assets for the years ending December 31, 2019 through 2023 will be as follows:

	(Dollars in millions)
2019 (remaining three months)	$	131
2020	467
2021	155
2022	52
2023	39