Goodwill, Customer Relationships and Other Intangible Assets

6 Months Ended

Jun. 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:

	June 30, 2019		December 31, 2018
	(Dollars in millions)
Goodwill	$	9,360	9,360
Customer relationships, less accumulated amortization of $5,024 and $4,806	$	675	893
Other intangible assets, less accumulated amortization of $1,736 and $1,712	$	338	311

As of June 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 June 30, 2019 and 2018 totaled $134 million and $147 million, respectively, and for the six months ended June 30, 2019 and 2018 totaled $271 million and $296 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 six months)	$	252
2020	478
2021	161
2022	52
2023	36