Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in Carrying Amounts of Goodwill Attributable to Operating Segments

(Dollars in millions)	CB&W		C&CB		IH		Total
Goodwill, January 1, 2020	$	14,040	$	8,125	$	1,989	$	24,154
Mergers and acquisitions	—		—		450		450
Adjustments and other	1,801		(1,958)		—		(157)
Goodwill, December 31, 2020	15,841		6,167		2,439		24,447
Mergers and acquisitions	—		—		13		13
Adjustments and other	(124)		8		12		(104)
Goodwill, March 31, 2021	$	15,717	$	6,175	$	2,464	$	24,356

Identifiable Intangible Assets Subject to Amortization

The following table, which excludes fully amortized intangibles, presents information for identifiable intangible assets:

	March 31, 2021						December 31, 2020
(Dollars in millions)	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
CDI	$	2,600	$	(947)	$	1,653	$	2,600	$	(852)	$	1,748
Other, primarily client relationship intangibles	2,155		(983)		1,172		2,217		(981)		1,236
Total	$	4,755	$	(1,930)	$	2,825	$	4,817	$	(1,833)	$	2,984