AOCI includes the after-tax change in unrecognized net costs related to defined benefit pension and OPEB plans as well as unrealized gains and losses on cash flow hedges, AFS securities, and HTM securities transferred from AFS securities.


























(Dollars in millions)	Pension and OPEB Costs		Cash Flow Hedges		AFS Securities		HTM Securities		Other, net		Total
AOCI balance, January 1, 2021	$	(875)	$	(64)	$	1,654	$	—	$	1	$	716
OCI before reclassifications, net of tax	767		—		(3,459)		—		—		(2,692)
Amounts reclassified from AOCI:
Before tax	29		72		384		—		—		485
Tax effect	7		17		89		—		—		113
Amounts reclassified, net of tax	22		55		295		—		—		372
Total OCI, net of tax	789		55		(3,164)		—		—		(2,320)
AOCI balance, December 31, 2021	(86)		(9)		(1,510)		—		1		(1,604)

OCI before reclassifications, net of tax	(1,471)		(78)		(10,792)		—		(6)		(12,347)
AFS Securities transferred to HTM, net of tax	—		—		2,872		(2,872)		—		—
Amounts reclassified from AOCI:
Before tax	29		12		45		367		—		453
Tax effect	7		3		10		83		—		103
Amounts reclassified, net of tax	22		9		35		284		—		350
Total OCI, net of tax	(1,449)		(69)		(10,757)		284		(6)		(11,997)
AOCI balance, December 31, 2022	(1,535)		(78)		(9,395)		(2,588)		(5)		(13,601)

OCI before reclassifications, net of tax	406		(260)		925		—		3		1,074

Amounts reclassified from AOCI:
Before tax	65		49		(385)		306		—		35
Tax effect	15		11		(77)		65		—		14
Amounts reclassified, net of tax	50		38		(308)		241		—		21
Total OCI, net of tax	456		(222)		617		241		3		1,095
AOCI balance, December 31, 2023	$	(1,079)	$	(300)	$	(8,778)	$	(2,347)	$	(2)	$	(12,506)
Primary income statement location of amounts reclassified from AOCI	Other expense		Net interest income and Other expense		Securities gains (losses) and Net interest income		Net interest income		Net interest income