Goodwill (Tables)

12 Months Ended

Dec. 31, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in the Net Carrying Amount of Goodwill by Reporting Segment

Changes in the net carrying amount of goodwill, by reporting unit, for the years ended December 31, 2022 and 2021 were as follows:

($ in millions)	Commercial Banking		Consumer and Small Business Banking	Wealth and Asset Management	General Corporate and Other	Total
Goodwill	$	2,730	2,262	231	—	5,223
Accumulated impairment losses	(750)		(215)	—	—	(965)
Net carrying value as of December 31, 2020	$	1,980	2,047	231	—	4,258
Acquisition activity	—		256	—	—	256
Net carrying value as of December 31, 2021	$	1,980	2,303	231	—	4,514
Acquisition activity	—		440	—	—	440
Reallocation of goodwill	378		(378)	—	—	—
Sale of businesses	(34)		—	(5)	—	(39)
Net carrying value as of December 31, 2022	$	2,324	2,365	226	—	4,915