Revenue (Tables)

3 Months Ended

Mar. 31, 2024

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)	2024		2023
Certification Testing	$	176	$	161
Ongoing Certification Services	233		219
Non-certification Testing and Other Services(a)	194		182
Software(a)	67		67
Total	$	670	$	629

__________

(a)The Company has reclassified revenue transactions related to advisory services that were previously included within the Software and Advisory service category (now known as Software) to the Non-certification Testing and Other Services category (previously known as Non-certification Testing, Inspections and Audit) for the three months ended March 31, 2023 to conform to the current period’s presentation.