Revenue Recognition Performance Obligations (Details) $ in Billions	Mar. 31, 2023 USD ($)
Revenue from Contract with Customer [Abstract]
Backlog	$ 8.1
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Backlog	8.1
Operating Segments [Member] | AspenTech
Revenue from Contract with Customer [Abstract]
Backlog	1.2
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Backlog	$ 1.2
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-04-01
Revenue from Contract with Customer [Abstract]
Percentage of backlog recognized as revenue, next 12 months	80.00%
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Expected timing of satisfaction, backlog	12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Expected timing of satisfaction, backlog	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Expected timing of satisfaction, backlog	1 year