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BUSINESS SEGMENTS INFORMATION - Schedule of Financial Information by Geographic Area (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2023
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | $ 18,091 | $ 17,560 | $ 15,236
Property, Plant and Equipment | 2,871 | 2,807 | 2,363
Americas |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 9,214 | 8,798 | 7,808
Property, Plant and Equipment | 1,717 | 1,672 | 1,442
AMEA |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 5,449 | 5,318 | 4,597
Property, Plant and Equipment | 601 | 542 | 428
Europe |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 3,428 | 3,444 | 2,831
Property, Plant and Equipment | 553 | 593 | 493
Intelligent Devices |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 12,400 | 12,161 | 11,588
Intelligent Devices | Americas |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 6,476 | 6,282 | 6,079
Intelligent Devices | AMEA |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 3,820 | 3,748 | 3,493
Intelligent Devices | Europe |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 2,104 | 2,131 | 2,016
Intelligent Devices | Operating Segments | Final Control |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 4,381 | 4,204 | 3,970
Intelligent Devices | Operating Segments | Final Control | Americas |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 2,164 | 2,010 | 1,949
Intelligent Devices | Operating Segments | Final Control | AMEA |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 1,662 | 1,647 | 1,481
Intelligent Devices | Operating Segments | Final Control | Europe |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 555 | 547 | 540
Intelligent Devices | Operating Segments | Measurement & Analytical |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 4,144 | 4,061 | 3,595
Intelligent Devices | Operating Segments | Measurement & Analytical | Americas |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 2,052 | 2,046 | 1,847
Intelligent Devices | Operating Segments | Measurement & Analytical | AMEA |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 1,461 | 1,382 | 1,222
Intelligent Devices | Operating Segments | Measurement & Analytical | Europe |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 631 | 633 | 526
Intelligent Devices | Operating Segments | Discrete Automation |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 2,520 | 2,506 | 2,635
Intelligent Devices | Operating Segments | Discrete Automation | Americas |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 1,218 | 1,178 | 1,234
Intelligent Devices | Operating Segments | Discrete Automation | AMEA |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 630 | 646 | 720
Intelligent Devices | Operating Segments | Discrete Automation | Europe |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 672 | 682 | 681
Intelligent Devices | Operating Segments | Safety & Productivity |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 1,355 | 1,390 | 1,388
Intelligent Devices | Operating Segments | Safety & Productivity | Americas |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 1,042 | 1,048 | 1,049
Intelligent Devices | Operating Segments | Safety & Productivity | AMEA |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 67 | 73 | 70
Intelligent Devices | Operating Segments | Safety & Productivity | Europe |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 246 | 269 | 269
Software & Control |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 5,691 | 5,399 | 3,648
Software & Control | Americas |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 2,738 | 2,516 | 1,729
Software & Control | AMEA |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 1,629 | 1,570 | 1,104
Software & Control | Europe |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 1,324 | 1,313 | 815
Software & Control | Operating Segments | Control Systems & Software |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 4,205 | 3,935 | 3,648
Software & Control | Operating Segments | Control Systems & Software | Americas |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 2,042 | 1,862 | 1,729
Software & Control | Operating Segments | Control Systems & Software | AMEA |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 1,238 | 1,181 | 1,104
Software & Control | Operating Segments | Control Systems & Software | Europe |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 925 | 892 | 815
Software & Control | Operating Segments | Test & Measurement |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 1,486 | 1,464 | 0
Software & Control | Operating Segments | Test & Measurement | Americas |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 696 | 654 | 0
Software & Control | Operating Segments | Test & Measurement | AMEA |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | 391 | 389 | 0
Software & Control | Operating Segments | Test & Measurement | Europe |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales, excluding intersegment eliminations | $ 399 | $ 421 | $ 0

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