Premises and equipment (Tables)

12 Months Ended

Dec. 31, 2024

Property, Plant and Equipment [Abstract]

Schedule of Premises and Equipment

The detail of premises and equipment was as follows:

	December 31,
(Dollars in millions)	2024		2023
Land	$	146	$	148
Buildings	703		685
Leasehold improvements	423		413
Furniture and equipment	1,190		1,097
	2,462		2,343
Less: accumulated depreciation and amortization	1,326		1,220
Right-of-use assets — operating leases	569		616
Premises and equipment, net	$	1,705	$	1,739

Summary of Lease Costs for Operating Leases, Cash Paid Toward Lease Liabilities, and Weighted-Average Remaining Term and Discount Rates of Operating Leases

The following table presents information about the Company’s lease costs for operating leases recorded in the Consolidated Balance Sheet, cash paid toward lease liabilities and the weighted-average remaining term and discount rates of the operating leases.

	Year Ended December 31,
(Dollars in millions)	2024			2023			2022
Lease cost
Operating lease cost	$	155		$	154		$	139
Short-term lease cost	—			—			8
Variable lease cost	5			4			4
Total lease cost	$	160		$	158		$	151
Other information
Right-of-use assets:
Obtained in exchange for new operating lease liabilities	$	101		$	134		$	138
Acquired in business combination	—			—			226
Cash paid toward lease liabilities	164			158			143
Weighted-average remaining lease term	7 years			7 years			7 years
Weighted-average discount rate	3.64		%	3.37		%	2.97		%

Summary of Minimum Lease Payments Under Noncancelable Operating Leases

Minimum lease payments under noncancelable operating leases are summarized in the following table.

(Dollars in millions)
Year ending December 31:
2025	$	160
2026	142
2027	120
2028	95
2029	70
Later years	182
Total lease payments	769
Imputed interest	(92)
Total	$	677