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Income taxes
 6 Months Ended
Jun. 30, 2025
Income Tax Disclosure [Abstract]  
Income taxes Income taxes
Our effective tax rate was 12.2% and 13.3% for the three and six months ended June 30, 2025, and 15.5% and 14.8% for the three and six months ended June 30, 2024.
During the six months ended June 30, 2025, we recorded approximately $146 million of income tax expense due to the recognition of net recoveries related to the Ukraine Conflict and approximately $41 million of income tax benefit due to the reversal of a Pillar 2 provision from the prior year primarily due to clarifying guidance. During the six months ended June 30, 2024, our income tax expense was reduced by $8 million in respect of a non-recurring tax deduction from a prior period that became available during the six months ended June 30, 2024.
The effective tax rate is impacted by the source and amount of earnings among our various tax jurisdictions, permanent tax differences relative to pre-tax income or loss, and certain other discrete items. Our effective tax rate in any period can be impacted by revisions to the estimated full-year rate. Excluding any discrete items, our effective tax rate for the full year 2025 is expected to be 15.5%.