Components of Other Comprehensive Income (Loss) (Tables)

6 Months Ended

Jun. 30, 2025

Other Comprehensive Income (Loss), Net of Tax [Abstract]

Schedule of Changes in Accumulated Other Comprehensive Income/(Loss)

The following tables provide the changes in accumulated other comprehensive income (loss) by component, net of tax, for the three and six months ended June 30, 2025 and 2024:

ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)

(Dollars in millions)	Securities AFS		Cash Flow Hedges		Pension and Post-retirement Plans		Total
Balance as of April 1, 2025	$	(666)	$	(67)	$	(250)	$	(983)
Net unrealized gains (losses)	53		7		—		60
Amounts reclassified from AOCI	—		9		2		11
Other comprehensive income (loss)	53		16		2		71
Balance as of June 30, 2025	$	(613)	$	(51)	$	(248)	$	(912)
(Dollars in millions)	Securities AFS		Cash Flow Hedges		Pension and Post-retirement Plans		Total
Balance as of January 1, 2025	$	(782)	$	(94)	$	(252)	$	(1,128)
Net unrealized gains (losses)	169		25		—		194
Amounts reclassified from AOCI	—		18		4		22
Other comprehensive income (loss)	169		43		4		216
Balance as of June 30, 2025	$	(613)	$	(51)	$	(248)	$	(912)

(Dollars in millions)	Securities AFS		Cash Flow Hedges		Pension and Post-retirement Plans		Total
Balance as of April 1, 2024	$	(891)	$	(110)	$	(270)	$	(1,271)
Net unrealized gains (losses)	(10)		(15)		—		(25)
Amounts reclassified from AOCI	—		13		2		15
Other comprehensive income (loss)	(10)		(2)		2		(10)
Balance as of June 30, 2024	$	(901)	$	(112)	$	(268)	$	(1,281)
(Dollars in millions)	Securities AFS		Cash Flow Hedges		Pension and Post-retirement Plans		Total
Balance as of January 1, 2024	$	(836)	$	(80)	$	(272)	$	(1,188)
Net unrealized gains (losses)	(65)		(58)		—		(123)
Amounts reclassified from AOCI	—		26		4		30
Other comprehensive income (loss)	(65)		(32)		4		(93)
Balance as of June 30, 2024	$	(901)	$	(112)	$	(268)	$	(1,281)

Schedule of Reclassifications from AOCI

Reclassifications from AOCI, and related tax effects, were as follows:

RECLASSIFICATIONS FROM AOCI
(Dollars in millions)	Three Months Ended June 30,				Six Months Ended June 30,
Details about AOCI	2025		2024		2025		2024		Affected line item in the statement where net income is presented
Cash Flow Hedges:
Realized (gains) losses on cash flow hedges	$	12	$	17	$	24	$	34	Interest and fees on loans and leases
Tax expense (benefit)	(3)		(4)		(6)		(8)		Income tax expense
	9		13		18		26
Pension and Postretirement Plans:
Amortization of prior service cost and net actuarial (gain) loss	$	3	$	3	$	6	$	6	Other expense
Tax expense (benefit)	(1)		(1)		(2)		(2)		Income tax expense
	2		2		4		4
Total reclassification from AOCI	$	11	$	15	$	22	$	30