REVENUE RECOGNITION (Tables)

9 Months Ended

Sep. 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 September 30, 2026
	Segments
(in millions)	Index		Analytics		Sustainability and Climate		All Other - Private Assets		Total
Operating Revenue Types
Recurring subscriptions	$	269.5	$	188.1	$	92.2	$	73.8	$	623.6
Asset-based fees	246.6		—		—		—		246.6
Non-recurring	16.5		2.9		1.5		0.9		21.8
Total	$	532.6	$	191.0	$	93.7	$	74.7	$	892.0


	For the Nine Months Ended September 30, 2026
	Segments
(in millions)	Index		Analytics		Sustainability and Climate		All Other - Private Assets		Total
Operating Revenue Types
Recurring subscriptions	$	786.7	$	557.2	$	273.6	$	219.7	$	1,837.2
Asset-based fees	704.2		—		—		—		704.2
Non-recurring	49.0		13.2		3.9		2.3		68.4
Total	$	1,539.9	$	570.4	$	277.5	$	222.0	$	2,609.8


	For the Three Months Ended September 30, 2025
	Segments
(in millions)	Index		Analytics		Sustainability and Climate		All Other - Private Assets		Total
Operating Revenue Types
Recurring subscriptions	$	242.5	$	178.3	$	88.7	$	69.6	$	579.1
Asset-based fees	197.5		—		—		—		197.5
Non-recurring	11.1		3.9		1.4		0.4		16.8
Total	$	451.1	$	182.2	$	90.1	$	70.0	$	793.4


	For the Nine Months Ended September 30, 2025
	Segments
(in millions)	Index		Analytics		Sustainability and Climate		All Other - Private Assets		Total
Operating Revenue Types
Recurring subscriptions	$	711.5	$	517.8	$	258.4	$	206.7	$	1,694.4
Asset-based fees	559.0		—		—		—		559.0
Non-recurring	37.2		14.3		5.2		1.8		58.5
Total	$	1,307.7	$	532.1	$	263.6	$	208.5	$	2,311.9

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 (September 30, 2026)	860.1		1,036.7
Increase/(decrease)	$	(126.6)	$	(195.1)


(in millions)	Accounts receivable, net of allowances		Deferred revenue
Opening (December 31, 2024)	$	820.7	$	1,123.4
Closing (September 30, 2025)	745.9		974.7
Increase/(decrease)	$	(74.8)	$	(148.7)

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
	September 30,
(in millions)	2026
First 12-month period	$	1,197.5
Second 12-month period	771.7
Third 12-month period	350.5
Periods thereafter	266.5
Total	$	2,586.2