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Cash contribution to AspenTech shareholders

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Gain from periodic distribution from retained subordinated interest in Vertiv (VRT)

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Period over which distributions are expected to occur

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Periodic distribution from retained subordinated interest in Vertiv (VRT)

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Pretax periodic distribution from retained subordinated interest in Vertiv (VRT)

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Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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The amount of goodwill arising from a business combination that is expected to be deductible for tax purposes.

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Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Acquisitions and Divestitures Narrative (Details) - USD ($) $ in Millions		3 Months Ended			12 Months Ended	27 Months Ended
	Oct. 01, 2020	Mar. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Sep. 30, 2021	Sep. 30, 2023
Business Acquisition & Disposal [Line Items]
Purchase price of businesses, net of cash acquired			$ 39	$ 1,611
Goodwill			7,695		$ 7,723
Gain from periodic distribution from retained subordinated interest in Vertiv (VRT)			(453)	0
Periodic distribution from retained subordinated interest in Vertiv (VRT)			438	$ 0
Automation Solutions [Member]
Business Acquisition & Disposal [Line Items]
Goodwill			6,534		6,552
Automation Solutions [Member] \| Open Systems International Inc. [Member]
Business Acquisition & Disposal [Line Items]
Purchase price of businesses, net of cash acquired	$ 1,600
Annualized sales					191
Goodwill	967
Goodwill expected tax deductible amount	0
Intangibles	$ 783
Intangible assets, weighted average useful life	11 years
Deferred tax liabilities	$ 193
Climate Technologies [Member]
Business Acquisition & Disposal [Line Items]
Goodwill			$ 751		$ 753
Forecast [Member]
Business Acquisition & Disposal [Line Items]
Pretax periodic distribution from retained subordinated interest in Vertiv (VRT)						$ 100
Period over which distributions are expected to occur						2 years
Forecast [Member] \| Automation Solutions [Member] \| AspenTech [Member]
Business Acquisition & Disposal [Line Items]
Cash contribution to AspenTech shareholders		$ 6,000
Business Acquisition, Percentage of Voting Interests Acquired		55.00%