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Business Segments Geographic Information (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Disaggregation of Revenue [Line Items] |  |
Net sales | $ 3,373 | $ 3,156
Reportable Geographical Components [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 3,388 | 3,174
Reportable Geographical Components [Member] | Americas |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 1,775 | 1,529
Reportable Geographical Components [Member] | Asia, Middle East & Africa |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 994 | 1,020
Reportable Geographical Components [Member] | Europe [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 619 | 625
Reportable Geographical Components [Member] | Final Control |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 862 | 817
Reportable Geographical Components [Member] | Final Control | Americas |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 446 | 352
Reportable Geographical Components [Member] | Final Control | Asia, Middle East & Africa |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 308 | 336
Reportable Geographical Components [Member] | Final Control | Europe [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 108 | 129
Reportable Geographical Components [Member] | Measurement & Analytical Instrumentation [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 749 | 737
Reportable Geographical Components [Member] | Measurement & Analytical Instrumentation [Member] | Americas |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 396 | 311
Reportable Geographical Components [Member] | Measurement & Analytical Instrumentation [Member] | Asia, Middle East & Africa |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 246 | 296
Reportable Geographical Components [Member] | Measurement & Analytical Instrumentation [Member] | Europe [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 107 | 130
Reportable Geographical Components [Member] | Discrete Automation |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 618 | 617
Reportable Geographical Components [Member] | Discrete Automation | Americas |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 291 | 274
Reportable Geographical Components [Member] | Discrete Automation | Asia, Middle East & Africa |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 175 | 183
Reportable Geographical Components [Member] | Discrete Automation | Europe [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 152 | 160
Reportable Geographical Components [Member] | Safety & Productivity [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 310 | 351
Reportable Geographical Components [Member] | Safety & Productivity [Member] | Americas |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 236 | 270
Reportable Geographical Components [Member] | Safety & Productivity [Member] | Asia, Middle East & Africa |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 17 | 16
Reportable Geographical Components [Member] | Safety & Productivity [Member] | Europe [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 57 | 65
Reportable Geographical Components [Member] | Intelligent Devices |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 2,539 | 2,522
Reportable Geographical Components [Member] | Intelligent Devices | Americas |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 1,369 | 1,207
Reportable Geographical Components [Member] | Intelligent Devices | Asia, Middle East & Africa |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 746 | 831
Reportable Geographical Components [Member] | Intelligent Devices | Europe [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 424 | 484
Reportable Geographical Components [Member] | Control Systems & Software |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 606 | 570
Reportable Geographical Components [Member] | Control Systems & Software | Americas |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 294 | 268
Reportable Geographical Components [Member] | Control Systems & Software | Asia, Middle East & Africa |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 185 | 173
Reportable Geographical Components [Member] | Control Systems & Software | Europe [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 127 | 129
Reportable Geographical Components [Member] | AspenTech |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 243 | 82
Reportable Geographical Components [Member] | AspenTech | Americas |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 112 | 54
Reportable Geographical Components [Member] | AspenTech | Asia, Middle East & Africa |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 63 | 16
Reportable Geographical Components [Member] | AspenTech | Europe [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 68 | 12
Reportable Geographical Components [Member] | Software and Control |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 849 | 652
Reportable Geographical Components [Member] | Software and Control | Americas |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 406 | 322
Reportable Geographical Components [Member] | Software and Control | Asia, Middle East & Africa |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 248 | 189
Reportable Geographical Components [Member] | Software and Control | Europe [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | $ 195 | $ 141

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