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Acquisitions and Divestitures - Business Acquisition, Pro Forma Information (Details) - AspenTech - USD ($) $ / shares in Units, $ in Millions | 12 Months Ended
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Sep. 30, 2022 | Sep. 30, 2021
Business Acquisition [Line Items] |  |
Net Sales | $ 14,218 | $ 13,662
Net earnings from continuing operations common stockholders | $ 1,916 | $ 1,217
Diluted earnings per share from continuing operations (in dollars per share) | $ 3.21 | $ 2.02

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