BORROWINGS (Tables)

3 Months Ended

Mar. 31, 2024

Debt Disclosure [Abstract]

Schedule of Long-term Borrowings

Long-term borrowings at March 31, 2024 and December 31, 2023 include:

Long-term Borrowings

dollars in millions	Maturity	March 31, 2024		December 31, 2023
Parent Company:
Subordinated:
Fixed-to-Floating subordinated notes at 3.375%	March 2030	$	350	$	350
Junior subordinated debentures (FCB/SC Capital Trust II)(1)	June 2034	—		20
Subsidiaries:
Senior:
Senior unsecured fixed-to-floating rate notes at 2.969%	September 2025	315		316
Fixed senior unsecured notes at 6.00%	April 2036	51		51
Subordinated:
Fixed subordinated notes at 6.125%	March 2028	400		404
Fixed-to-Fixed subordinated notes at 4.125%	November 2029	100		100
Junior subordinated debentures (SCB Capital Trust I)(1)	April 2034	—		10
Secured:
Purchase Money Note to FDIC fixed at 3.50% (2)	March 2028	36,072		36,072
Capital lease obligations	Maturities through May 2057	8		9
Unamortized purchase accounting adjustments		(151)		(163)
Total long-term borrowings		$	37,145	$	37,169

(1)    The borrowings were called during the first quarter of 2024, resulting in a $2 million loss on extinguishment of debt for the three months ended March 31, 2024.

(2) Issued in connection with the SVBB Acquisition and secured by collateral. See Note 2—Business Combinations and Note 4—Loans and Leases.