v3.25.4
Changes in Accumulated Other Comprehensive Income (Loss) (Tables)
 12 Months Ended
Dec. 31, 2025
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:
TABLE 16.1: CHANGES IN ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)
As of or for the years ended December 31,
(Millions), net of tax
2025202420232022
Ending Balance
Net Change
Ending Balance
Net Change
Ending Balance
Net Change
 Ending Balance
Net Unrealized Gains (Losses) on Debt
Securities
$(4)$5 $(9)$5 $(14)$50 $(64)
Foreign Currency Translation Adjustment Gains (Losses), Net of Hedges (a)
(2,783)141 (2,924)(353)(2,571)51 (2,622)
Net Unrealized Pension and Other Postretirement Benefit Gains (Losses)
(490)(28)(462)25 (487)37(524)
Accumulated Other Comprehensive Income (Loss)
$(3,277)$118 $(3,395)$(323)$(3,072)$138 $(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:
TABLE 16.2: TAX IMPACT FOR CHANGES IN ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)
Tax expense (benefit)
(Millions)202520242023
Net unrealized gains on debt securities
$1 $2 $16 
Foreign currency translation adjustment, net of hedges(258)205 (158)
Pension and other postretirement benefits(33)11 (3)
Total tax impact$(290)$218 $(145)