Segment information (Tables)

6 Months Ended

Jun. 30, 2024

Segment Reporting [Abstract]

Information about Company's Segments

Information about the Company's segments follows:

	Three Months Ended June 30,
	2024								2023
(Dollars in millions)	Total Revenues(a)		Inter- segment Revenues		Net Income (Loss)		Total Average Assets		Total Revenues(a)		Inter- segment Revenues		Net Income (Loss)		Total Average Assets
Commercial Bank	$	717	$	2	$	205	$	81,198	$	759	$	1	$	235	$	80,985
Retail Bank	1,294		—		472		52,950		1,296		—		475		51,058
Institutional Services and Wealth    Management	401		3		144		3,668		591		3		285		3,720
All Other	(110)		(5)		(166)		74,165		(44)		(4)		(128)		68,613
Total	$	2,302	$	—	$	655	$	211,981	$	2,602	$	—	$	867	$	204,376

	Six Months Ended June 30,
	2024								2023
(Dollars in millions)	Total Revenues(a)		Inter- segment Revenues		Net Income (Loss)		Total Average Assets		Total Revenues(a)		Inter- segment Revenues		Net Income (Loss)		Total Average Assets
Commercial Bank	$	1,416	$	4	$	406	$	81,140	$	1,570	$	3	$	568	$	80,014
Retail Bank	2,562		—		918		52,591		2,530		—		927		51,175
Institutional Services and Wealth    Management	778		6		272		3,652		981		6		395		3,688
All Other	(194)		(10)		(410)		74,346		(74)		(9)		(321)		68,615
Total	$	4,562	$	—	$	1,186	$	211,729	$	5,007	$	—	$	1,569	$	203,492

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(a)Total revenues are comprised of net interest income and other income. Net interest income is the difference between taxable-equivalent interest earned on assets and interest paid on liabilities owed by a segment and a funding charge (credit) based on the Company's internal funds transfer and allocation methodology. Segments are charged a cost to fund any assets (e.g. loans) and are paid a funding credit for any funds provided (e.g. deposits). The taxable-equivalent adjustment aggregated $13 million and $14 million for the three-month periods ended June 30, 2024 and 2023, respectively, and $25 million and $28 million for the six-month periods ended June 30, 2024 and 2023, respectively, and is eliminated in "All Other" total revenues.