Revenue from contracts with customers (Tables)

6 Months Ended

Jun. 30, 2024

Revenue from Contract with Customer [Abstract]

Summary of Sources of Noninterest Income that are Subject to Revenue Recognition Accounting Guidance

The following tables summarize sources of the Company’s noninterest income during the three-month and six-month periods ended June 30, 2024 and 2023 that are subject to the revenue recognition accounting guidance.

(Dollars in millions)	Commercial Bank		Retail Bank		Institutional Services and Wealth Management		Total
Three Months Ended June 30, 2024
Classification in Consolidated Statement of Income
Service charges on deposit accounts	$	40	$	87	$	—	$	127
Trust income	1		—		169		170
Brokerage services income	1		—		29		30
Other revenues from operations:
Merchant discount and credit card interchange fees	19		24		—		43
Other	7		8		3		18
	$	68	$	119	$	201	$	388
Three Months Ended June 30, 2023
Classification in Consolidated Statement of Income
Service charges on deposit accounts	$	36	$	83	$	—	$	119
Trust income	1		—		171		172
Brokerage services income	1		—		24		25
Other revenues from operations:
Merchant discount and credit card interchange fees	19		23		—		42
Other	7		8		3		18
	$	64	$	114	$	198	$	376

(Dollars in millions)	Commercial Bank		Retail Bank		Institutional Services and Wealth Management		Total
Six Months Ended June 30, 2024
Classification in Consolidated Statement of Income
Service charges on deposit accounts	$	80	$	171	$	—	$	251
Trust income	2		—		328		330
Brokerage services income	3		—		56		59
Other revenues from operations:
Merchant discount and credit card interchange fees	36		44		—		80
Other	15		15		5		35
	$	136	$	230	$	389	$	755
Six Months Ended June 30, 2023
Classification in Consolidated Statement of Income
Service charges on deposit accounts	$	70	$	162	$	—	$	232
Trust income	1		—		365		366
Brokerage services income	3		—		46		49
Other revenues from operations:
Merchant discount and credit card interchange fees	36		43		—		79
Other	13		16		4		33
	$	123	$	221	$	415	$	759