Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Gross Goodwill and Accumulated Impairment Losses and Write-Offs Detailed By Reportable Segments

The following table presents goodwill allocated to each reportable segment at December 31, 2020:

(Dollars in millions)	Regional Banking		Specialty Banking		Total
December 31, 2017	$	773	$	614	$	1,387
Additions	29		17		46
December 31, 2018	$	802	$	631	$	1,433
Additions	—		—		—
December 31, 2019	$	802	$	631	$	1,433
Additions	78		—		78
December 31, 2020	$	880	$	631	$	1,511

Summary of Intangible Assets and Accumulated Amortization Included In The Consolidated Statements of Condition

	December 31, 2020						December 31, 2019
(Dollars in millions)	Gross Carrying Amount		Accumulated Amortization		Net Carrying Value		Gross Carrying Amount		Accumulated Amortization		Net Carrying Value
Core deposit intangibles	$	371	$	(81)	$	290	$	157	$	(47)	$	110
Client relationships	37		(8)		29		78		(60)		18
Other (a)	41		(6)		35		6		(3)		3
Total	$	449	$	(95)	$	354	$	241	$	(110)	$	131

(a)Includes noncompete covenants and purchased credit card intangible assets. Also includes title plant intangible assets and state banking licenses which are not subject to amortization.

Schedule of Estimated Aggregate Amortization Expense for Intangible Assets

As of December 31, 2020 the estimated aggregated amortization expense is expected to be:

(Dollars in millions)
Year	Amortization
2021	$	56
2022	51
2023	48
2024	44
2025	37