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Changes in Accumulated Other Comprehensive Income (Loss) (Tables)
12 Months Ended
Dec. 31, 2022
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]  
Components of comprehensive income (loss), net of tax Changes in each component for the three years ended December 31 were as follows:
(Millions), net of tax
Net Unrealized Gains (Losses) on Debt
Securities
Foreign Currency
Translation Adjustment
Gains (Losses), Net of Hedges (a)
Net Unrealized Pension
and Other Postretirement Benefit
Gains (Losses)
Accumulated Other
Comprehensive Income (Loss)
Balances as of December 31, 2019$33 $(2,189)$(581)$(2,737)
Net change32 (40)(150)(158)
Balances as of December 31, 202065 (2,229)(731)(2,895)
Net change(42)(163)155 (50)
Balances as of December 31, 202123 (2,392)(576)(2,945)
Net change(87)(230)52 (265)
Balances as of December 31, 2022$(64)$(2,622)$(524)$(3,210)
(a)Refer to Note 13 for additional information on hedging activity.
AOCI income tax effect The following table shows the tax impact for the years ended December 31 for the changes in each component of AOCI presented above:
Tax expense (benefit)
(Millions)202220212020
Net unrealized (losses) gains on debt securities$(27)$(13)$
Foreign currency translation adjustment, net of hedges75 51 (62)
Pension and other postretirement benefits27 52 (28)
Total tax impact$75 $90 $(81)