REVENUE RECOGNITION (Tables)

6 Months Ended

Jun. 30, 2026

Revenue from Contract with Customer [Abstract]

Schedule of Disaggregation of Operating Revenue

The tables that follow present the disaggregated operating revenues for the periods indicated:


	For the Three Months Ended June 30, 2026
	Segments
(in millions)	Index		Analytics		Sustainability and Climate		All Other - Private Assets		Total
Operating Revenue Types
Recurring subscriptions	$	263.0	$	185.9	$	90.5	$	74.0	$	613.4
Asset-based fees	233.1		—		—		—		233.1
Non-recurring	14.9		3.5		1.4		0.7		20.5
Total	$	511.0	$	189.4	$	91.9	$	74.7	$	867.0


	For the Six Months Ended June 30, 2026
	Segments
(in millions)	Index		Analytics		Sustainability and Climate		All Other - Private Assets		Total
Operating Revenue Types
Recurring subscriptions	$	517.2	$	369.1	$	181.4	$	145.9	$	1,213.6
Asset-based fees	457.6		—		—		—		457.6
Non-recurring	32.5		10.3		2.4		1.4		46.6
Total	$	1,007.3	$	379.4	$	183.8	$	147.3	$	1,717.8


	For the Three Months Ended June 30, 2025
	Segments
(in millions)	Index		Analytics		Sustainability and Climate		All Other - Private Assets		Total
Operating Revenue Types
Recurring subscriptions	$	235.7	$	169.8	$	87.0	$	70.3	$	562.8
Asset-based fees	184.1		—		—		—		184.1
Non-recurring	15.1		7.9		1.9		0.9		25.8
Total	$	434.9	$	177.7	$	88.9	$	71.2	$	772.7


	For the Six Months Ended June 30, 2025
	Segments
(in millions)	Index		Analytics		Sustainability and Climate		All Other - Private Assets		Total
Operating Revenue Types
Recurring subscriptions	$	469.0	$	339.5	$	169.7	$	137.1	$	1,115.3
Asset-based fees	361.5		—		—		—		361.5
Non-recurring	26.1		10.4		3.8		1.4		41.7
Total	$	856.6	$	349.9	$	173.5	$	138.5	$	1,518.5

Schedule of Change in Accounts Receivable and Current Deferred Revenue

The tables that follow present the change in accounts receivable, net of allowances, and current deferred revenue between the dates indicated:


(in millions)	Accounts receivable, net of allowances		Deferred revenue
Opening (December 31, 2025)	$	986.7	$	1,231.8
Closing (June 30, 2026)	884.4		1,136.9
Increase/(decrease)	$	(102.3)	$	(94.9)


(in millions)	Accounts receivable, net of allowances		Deferred revenue
Opening (December 31, 2024)	$	820.7	$	1,123.4
Closing (June 30, 2025)	790.6		1,060.3
Increase/(decrease)	$	(30.1)	$	(63.1)

Schedule of Remaining Performance Obligations

The remaining performance obligations for contracts that have a duration of greater than one year and the periods in which they are expected to be recognized are as follows:


	As of
	June 30,
(in millions)	2026
First 12-month period	$	1,156.0
Second 12-month period	734.9
Third 12-month period	323.4
Periods thereafter	200.1
Total	$	2,414.4