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Revenue (Tables)
3 Months Ended
Mar. 31, 2025
Revenue from Contract with Customer [Abstract]  
Summary of Revenue by Major Customer Category
The table below summarizes the major service categories from which the Company derives its revenues:
Three Months Ended
March 31,
(in millions)20252024
Certification Testing$189 $176 
Ongoing Certification Services245 233 
Non-certification Testing and Other Services203 194 
Software68 67 
Total $705 $670