Other Financial Information (Other Liabilities) (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022
Other Liabilities [Abstract]
Deferred income taxes		$ 1,694	$ 1,714
Pension and postretirement liabilities		441	427
Operating lease liabilities (noncurrent)		306	312
Asbestos litigation		$ 200	$ 205
AspenTech \| Subsequent Event [Member]
Repayments of Short-term Debt	$ 264

Amount of deferred tax liability attributable to taxable temporary differences.

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