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Accumulated Other Comprehensive (Loss) Income
12 Months Ended
Dec. 31, 2022
Equity [Abstract]  
Accumulated Other Comprehensive (Loss) Income ACCUMULATED OTHER COMPREHENSIVE (LOSS) INCOME
The following table details the components of accumulated other comprehensive (loss) income:

Components of Accumulated Other Comprehensive (Loss) Income
dollars in millionsDecember 31, 2022December 31, 2021
PretaxIncome
Taxes
Net of Income TaxesPretaxIncome
Taxes
Net of Income Taxes
Unrealized loss on securities available for sale$(972)$233 $(739)$(12)$$(9)
Unrealized loss on securities available for sale transferred to securities held to maturity(8)(6)(9)(7)
Defined benefit pension items13 (3)10 34 (8)26 
Total accumulated other comprehensive (loss) income$(967)$232 $(735)$13 $(3)$10 

The following table details the changes in the components of accumulated other comprehensive (loss) income, net of income tax:

Changes in Components of Accumulated Other Comprehensive (Loss) Income, net of income tax
dollars in millionsUnrealized (loss) gain on securities available for saleUnrealized (loss) gain on securities available for sale transferred to securities held to maturityNet change in defined benefit pension itemsTotal accumulated other comprehensive (loss) income
Balance as of December 31, 2021$(9)$(7)$26 $10 
AOCI activity before reclassifications(730)— (25)(755)
Amounts reclassified from AOCI— 10 
Other comprehensive (loss) income for the period(730)(16)(745)
Balance as of December 31, 2022$(739)$(6)$10 $(735)
Balance as of December 31, 2020$79 $$(71)$12 
AOCI activity before reclassifications(62)(10)76 
Amounts reclassified from AOCI(26)(1)21 (6)
Other comprehensive (loss) income for the period(88)(11)97 (2)
Balance as of December 31, 2021$(9)$(7)$26 $10 
Other Comprehensive (Loss) Income
The amounts included in the Consolidated Statements of Comprehensive Income are net of income taxes. The following table presents the pretax and after-tax components of other comprehensive income.

Components of Other Comprehensive (Loss) Income
dollars in millionsYear ended December 31
20222021
PretaxIncome
Taxes
Net of Income TaxesPretaxIncome
Taxes
Net of Income TaxesIncome Statement Line Item
Defined benefit pension items
Actuarial (loss) gain$(33)$$(25)$98 $(22)$76 
Amounts reclassified from AOCI12 (3)27 (6)21 Other noninterest
expense
Other comprehensive (loss) income for defined benefit pension items$(21)$$(16)$125 $(28)$97 
Unrealized loss on securities available for sale transferred to securities held to maturity
Amounts reclassified from AOCI$— $— $— $(13)$$(10)
Reclassifications out of AOCI— (1)— (1)Interest on investment securities
Other comprehensive income (loss) on securities available for sale transferred to securities held to maturity$$— $$(14)$$(11)
Unrealized loss on securities available for sale
AOCI activity before reclassification$(960)$230 $(730)$(81)$19 $(62)
Amounts reclassified from AOCI— — — (33)(26)Realized gain on sale of investment securities available for sale, net
Other comprehensive loss on securities available for sale$(960)$230 $(730)$(114)$26 $(88)
Total other comprehensive loss$(980)$235 $(745)$(3)$$(2)