Accumulated Other Comprehensive Income (Tables)

12 Months Ended

Dec. 31, 2022

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 years ended December 31:

	Total OCI				Total AOCI
2022 ($ 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 the year	$	(7,194)	1,716	(5,478)
Reclassification adjustment for net gains on available-for-sale debt     securities included in net income	(2)		—	(2)
Net unrealized losses on available-for-sale debt securities	(7,196)		1,716	(5,480)	891	(5,480)	(4,589)
Unrealized holding losses on cash flow hedge derivatives arising     during the year	(1,006)		232	(774)
Reclassification adjustment for net gains on cash flow hedge     derivatives included in net income	(99)		22	(77)
Net unrealized losses on cash flow hedge derivatives	(1,105)		254	(851)	353	(851)	(498)
Net actuarial gain arising during the year	11		(2)	9
Reclassification of amounts to net periodic benefit costs	6		(1)	5
Defined benefit pension plans, net	17		(3)	14	(33)	14	(19)
Other	—		—	—	(4)	—	(4)
Total	$	(8,284)	1,967	(6,317)	1,207	(6,317)	(5,110)

	Total OCI				Total AOCI
2021 ($ 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 the year	$	(1,366)	323	(1,043)
Reclassification adjustment for net losses on available-for-sale debt     securities included in net income	4		(1)	3
Net unrealized gains on available-for-sale debt securities	(1,362)		322	(1,040)	1,931	(1,040)	891
Unrealized holding losses on cash flow hedge derivatives arising     during the year	(185)		43	(142)
Reclassification adjustment for net gains on cash flow hedge     derivatives included in net income	(293)		70	(223)
Net unrealized gains on cash flow hedge derivatives	(478)		113	(365)	718	(365)	353
Net actuarial gain arising during the year	5		(1)	4
Reclassification of amounts to net periodic benefit costs	9		(2)	7
Defined benefit pension plans, net	14		(3)	11	(44)	11	(33)
Other	—		—	—	(4)	—	(4)
Total	$	(1,826)	432	(1,394)	2,601	(1,394)	1,207

	Total OCI				Total AOCI
2020 ($ 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 the year	$	1,514	(361)	1,153
Reclassification adjustment for net gains on available-for-sale debt     securities included in net income	(45)		11	(34)
Net unrealized gains on available-for-sale debt securities	1,469		(350)	1,119	812	1,119	1,931
Unrealized holding gains on cash flow hedge derivatives arising     during the year	611		(128)	483
Reclassification adjustment for net gains on cash flow hedge     derivatives included in net income	(237)		50	(187)
Net unrealized gains on cash flow hedge derivatives	374		(78)	296	422	296	718
Net actuarial loss arising during the year	(12)		3	(9)
Reclassification of amounts to net periodic benefit costs	9		(2)	7
Defined benefit pension plans, net	(3)		1	(2)	(42)	(2)	(44)
Other	(4)		—	(4)	—	(4)	(4)
Total	$	1,836	(427)	1,409	1,192	1,409	2,601

Reclassification Out of Accumulated Other Comprehensive Income to Net Income

The table below presents reclassifications out of AOCI for the years ended December 31:

($ in millions)	Consolidated Statements of Income Caption	2022		2021	2020
Net unrealized (losses) gains on available-for-sale debt securities:(b)
Net gains (losses) included in net income	Securities (losses) gains, net	$	2	(4)	45
	Income before income taxes	2		(4)	45
	Applicable income tax expense	—		1	(11)
	Net income	2		(3)	34
Net unrealized (losses) gains on cash flow hedge derivatives:(b)
Interest rate contracts related to C&I, commercial mortgage and commercial construction loans	Interest and fees on loans and leases	99		293	237
	Income before income taxes	99		293	237
	Applicable income tax expense	(22)		(70)	(50)
	Net income	77		223	187
Net periodic benefit costs:(b)
Amortization of net actuarial loss	Compensation and benefits(a)	(3)		(6)	(6)
Settlements	Compensation and benefits(a)	(3)		(3)	(3)
	Income before income taxes	(6)		(9)	(9)
	Applicable income tax expense	1		2	2
	Net income	(5)		(7)	(7)
Total reclassifications for the period	Net income	$	74	213	214

(a)This AOCI component is included in the computation of net periodic benefit cost. Refer to Note 22 for information on the computation of net periodic benefit cost.

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