Accumulated Other Comprehensive Income (Tables)

3 Months Ended

Mar. 31, 2025

Equity [Abstract]

Activity of the Components of Other Comprehensive Income and Accumulated Other Comprehensive Income

The tables below present the activity of the components of OCI and AOCI for the three months ended:

	Total OCI				Total AOCI
March 31, 2025 ($ in millions)	Pre-tax Activity		Tax Effect	Net Activity	Beginning Balance	Net Activity	Ending Balance
Unrealized holding gains on available-for-sale debt securities arising during period	$	633	(152)	481
Reclassification adjustment for net gains on available-for-sale debt securities included in net income	—		—	—
Net unrealized losses on available-for-sale debt securities	633		(152)	481	(3,280)	481	(2,799)
Amortization of unrealized losses on available-for-sale debt securities transferred to held-to-maturity securities included in net income	32		(7)	25
Net unrealized losses on available-for-sale debt securities transferred to held-to-maturity securities	32		(7)	25	(684)	25	(659)
Unrealized holding gains on cash flow hedge derivatives arising during period	253		(60)	193
Reclassification adjustment for net losses on cash flow hedge derivatives included in net income	56		(14)	42
Net unrealized losses on cash flow hedge derivatives	309		(74)	235	(654)	235	(419)
Defined benefit pension plans, net	—		—	—	(16)	—	(16)
Other	—		—	—	(2)	—	(2)
Total	$	974	(233)	741	(4,636)	741	(3,895)

	Total OCI				Total AOCI
March 31, 2024 ($ in millions)	Pre-tax Activity		Tax Effect	Net Activity	Beginning Balance	Net Activity	Ending Balance
Unrealized holding losses on available-for-sale debt securities arising during period	$	(236)	54	(182)
Unrealized losses on available-for-sale debt securities transferred to    held-to-maturity securities	994		(209)	785
Reclassification adjustment for net losses on available-for-sale debt securities included in net income	3		—	3
Net unrealized losses on available-for-sale debt securities	761		(155)	606	(4,094)	606	(3,488)
Unrealized losses on available-for-sale debt securities transferred to held-to-maturity securities	(994)		209	(785)
Amortization of unrealized losses on available-for-sale debt securities transferred to held-to-maturity securities included in net income	32		(7)	25
Net unrealized losses on available-for-sale debt securities transferred to held-to-maturity securities	(962)		202	(760)	—	(760)	(760)
Unrealized holding losses on cash flow hedge derivatives arising during period	(413)		97	(316)
Reclassification adjustment for net losses on cash flow hedge derivatives included in net income	89		(20)	69
Net unrealized losses on cash flow hedge derivatives	(324)		77	(247)	(372)	(247)	(619)
Defined benefit pension plans, net	—		—	—	(17)	—	(17)
Other	—		—	—	(4)	—	(4)
Total	$	(525)	124	(401)	(4,487)	(401)	(4,888)

Reclassification Out of Accumulated Other Comprehensive Income to Net Income

The table below presents reclassifications out of AOCI:

	Condensed Consolidated Statements of Income Caption	For the three months ended March 31,
($ in millions)		2025		2024
Net unrealized losses on available-for-sale debt securities:(a)
Net losses included in net income	Securities (losses) gains, net	$	—	(3)
	Income before income taxes	—		(3)
	Applicable income tax expense	—		—
	Net income	—		(3)
Net unrealized losses on available-for-sale debt securities transferred to held-to-maturity securities:(a)
Net losses included in net income	Interest on securities	(32)		(32)
	Income before income taxes	(32)		(32)
	Applicable income tax expense	7		7
	Net income	(25)		(25)
Net unrealized losses on cash flow hedge derivatives:(a)
Interest rate contracts related to C&I, commercial mortgage and commercial construction loans	Interest and fees on loans and leases	(56)		(89)
	Income before income taxes	(56)		(89)
	Applicable income tax expense	14		20
	Net income	(42)		(69)
Total reclassifications for the period	Net income	$	(67)	(97)

(a)Amounts in parentheses indicate reductions to net income.