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Accumulated Other Comprehensive Income (Loss) (Tables)
3 Months Ended
Mar. 31, 2026
Equity [Abstract]  
Schedule of Changes in Accumulated Other Comprehensive Income (Loss)
The following table summarizes changes in Accumulated other comprehensive income (loss) for the three months ended March 31, 2026 and 2025:

Three Months Ended
March 31,
In millions20262025
Beginning balance$(1,827)$(1,877)
Foreign currency translation adjustments during the period43 (47)
Income taxes(19)47 
Total foreign currency translation adjustments, net of tax24 — 
Pension and other postretirement benefit adjustments reclassified to income
(1)
Income taxes(1)— 
Total pension and other postretirement benefit adjustments, net of tax
(1)
Ending balance$(1,802)$(1,878)