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BUSINESS SEGMENTS INFORMATION - Financial Information by Geographic Area (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2022
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | $ 17,560 | $ 15,236 | $ 13,890
Property, Plant and Equipment | 2,807 | 2,363 | 2,239
Americas |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 8,798 | 7,808 | 7,041
Property, Plant and Equipment | 1,672 | 1,442 | 1,373
AMEA |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 5,318 | 4,597 | 4,260
Property, Plant and Equipment | 542 | 428 | 398
Europe |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 3,444 | 2,831 | 2,589
Property, Plant and Equipment | 593 | 493 | 468
Intelligent Devices |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 12,161 | 11,588 | 10,836
Intelligent Devices | Americas |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 6,282 | 6,079 | 5,509
Intelligent Devices | AMEA |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 3,748 | 3,493 | 3,375
Intelligent Devices | Europe |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 2,131 | 2,016 | 1,952
Intelligent Devices | Operating Segments | Final Control |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 4,204 | 3,970 | 3,607
Intelligent Devices | Operating Segments | Final Control | Americas |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 2,010 | 1,949 | 1,706
Intelligent Devices | Operating Segments | Final Control | AMEA |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 1,647 | 1,481 | 1,373
Intelligent Devices | Operating Segments | Final Control | Europe |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 547 | 540 | 528
Intelligent Devices | Operating Segments | Measurement & Analytical |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 4,061 | 3,595 | 3,215
Intelligent Devices | Operating Segments | Measurement & Analytical | Americas |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 2,046 | 1,847 | 1,529
Intelligent Devices | Operating Segments | Measurement & Analytical | AMEA |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 1,382 | 1,222 | 1,199
Intelligent Devices | Operating Segments | Measurement & Analytical | Europe |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 633 | 526 | 487
Intelligent Devices | Operating Segments | Discrete Automation |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 2,506 | 2,635 | 2,612
Intelligent Devices | Operating Segments | Discrete Automation | Americas |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 1,178 | 1,234 | 1,217
Intelligent Devices | Operating Segments | Discrete Automation | AMEA |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 646 | 720 | 732
Intelligent Devices | Operating Segments | Discrete Automation | Europe |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 682 | 681 | 663
Intelligent Devices | Operating Segments | Safety & Productivity |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 1,390 | 1,388 | 1,402
Intelligent Devices | Operating Segments | Safety & Productivity | Americas |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 1,048 | 1,049 | 1,057
Intelligent Devices | Operating Segments | Safety & Productivity | AMEA |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 73 | 70 | 71
Intelligent Devices | Operating Segments | Safety & Productivity | Europe |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 269 | 269 | 274
Software and Control |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 5,399 | 3,648 | 3,054
Software and Control | Americas |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 2,516 | 1,729 | 1,532
Software and Control | AMEA |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 1,570 | 1,104 | 885
Software and Control | Europe |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 1,313 | 815 | 637
Software and Control | Operating Segments | Control Systems & Software |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 2,842 | 2,606 | 2,398
Software and Control | Operating Segments | Control Systems & Software | Americas |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 1,322 | 1,259 | 1,170
Software and Control | Operating Segments | Control Systems & Software | AMEA |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 920 | 818 | 745
Software and Control | Operating Segments | Control Systems & Software | Europe |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 600 | 529 | 483
Software and Control | Operating Segments | Test & Measurement |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 1,464 | 0 | 0
Software and Control | Operating Segments | Test & Measurement | Americas |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 654 | 0 | 0
Software and Control | Operating Segments | Test & Measurement | AMEA |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 389 | 0 | 0
Software and Control | Operating Segments | Test & Measurement | Europe |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 421 | 0 | 0
Software and Control | Operating Segments | AspenTech |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 1,093 | 1,042 | 656
Software and Control | Operating Segments | AspenTech | Americas |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 540 | 470 | 362
Software and Control | Operating Segments | AspenTech | AMEA |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 261 | 286 | 140
Software and Control | Operating Segments | AspenTech | Europe |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | $ 292 | $ 286 | $ 154

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