v3.26.1
Segment Reporting
 6 Months Ended
Jun. 30, 2026
Segment Reporting [Abstract]  
Segment Reporting BUSINESS AND GEOGRAPHIC REGIONS
The Corporation's results are reported as a single operating segment as the consolidated statements of income are presented to the CODM without further disaggregation.

Sales to external customers, which are attributed to geographic regions based on customer location, were as follows for the three and six months ended June 30, 2026 and 2025:

Sales to External Customers by Geographic RegionThree Months EndedSix Months Ended
In millionsJun 30, 2026Jun 30, 2025Jun 30, 2026Jun 30, 2025
United States$26 $21 $55 $48 
Asia Pacific1 — 1 3 
Total sales to external customers$27 $21 $56 $51 

Long-lived assets, which are attributed to geographic regions based on asset location, were as follows at June 30, 2026 and December 31, 2025:

Long-Lived Assets by Geographic RegionJun 30, 2026Dec 31, 2025
In millions
United States$1,039 $1,087 
Asia Pacific14 15 
Rest of World9 9 
Total long-lived assets$1,062 $1,111 

The following table summarizes depreciation and amortization expense for the three and six months ended June 30, 2026 and 2025:

Depreciation and Amortization ExpenseThree Months EndedSix Months Ended
In millionsJun 30, 2026Jun 30, 2025Jun 30, 2026Jun 30, 2025
Depreciation and amortization expense 1
$51 $41 $106 $76 
1.The increase in depreciation and amortization expense was primarily related to amortization of catalyst.