v3.25.2
Revenue
 6 Months Ended
Jun. 30, 2025
Revenue from Contract with Customer [Abstract]  
Revenue Revenue
The table below summarizes the major service categories from which the Company derives its revenues:
Three Months Ended
June 30,		Six Months Ended
June 30,
(in millions)2025202420252024
Certification Testing$215 $203 $404 $379 
Ongoing Certification Services250 234 495 467 
Non-certification Testing and Other Services241 225 444 419 
Software70 68 138 135 
Total $776 $730 $1,481 $1,400 
Contract Balances
The revenue recognized during the three and six months ended June 30, 2025, which was included in contract liabilities at December 31, 2024, amounted to $51 million and $87 million, respectively. The revenue recognized during the three and six months ended June 30, 2024, which was included in contract liabilities at December 31, 2023, amounted to $49 million and $79 million, respectively.
Remaining Performance Obligations
At June 30, 2025, the Company estimates that $203 million in revenue is expected to be recognized in the future related to performance obligations that are unsatisfied (or partially unsatisfied) at the end of the reporting period. The Company expects to recognize approximately 61% of its unsatisfied (or partially unsatisfied) performance obligations as revenue in the subsequent 12 months, with the remaining balance to be recognized thereafter.
Remaining consideration from contracts with customers is included in the amount presented above and includes contracts with multiple performance obligations and multi-year maintenance agreements, which are typically recognized as the performance obligation is satisfied.