Acquisitions And Divestitures - Schedule of Recognized Identifies Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Millions	Sep. 30, 2023	Sep. 30, 2022	May 16, 2022	Sep. 30, 2021
Business Acquisition [Line Items]
Goodwill ($34 expected to be tax-deductible)	$ 14,480	$ 13,946		$ 6,967
AspenTech
Business Acquisition [Line Items]
Cash and equivalents			$ 274
Receivables			43
Other current assets			280
Property, plant equipment			4
Goodwill ($34 expected to be tax-deductible)			7,225
Goodwill, expected tax deductible amount			34
Other intangible assets			4,390
Other assets			513
Total assets			12,729
Short-term borrowings			27
Accounts payable			8
Accrued expenses			115
Long-term debt			255
Deferred taxes and other liabilities			1,136
Total purchase consideration			$ 11,188