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BUSINESS SEGMENTS - Schedule of Financial Information By Geographic Area (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Disaggregation of Revenue [Line Items] |  |  |  |
Sales, excluding intersegment eliminations | $ 4,569 | $ 4,395 | $ 13,214 | $ 12,924
Americas |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales, excluding intersegment eliminations | 2,357 | 2,206 | 6,753 | 6,485
AMEA |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales, excluding intersegment eliminations | 1,356 | 1,312 | 3,962 | 3,859
Europe |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales, excluding intersegment eliminations | 856 | 877 | 2,499 | 2,580
Intelligent Devices |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales, excluding intersegment eliminations | 3,125 | 2,997 | 8,997 | 8,880
Intelligent Devices | Americas |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales, excluding intersegment eliminations | 1,655 | 1,553 | 4,741 | 4,599
Intelligent Devices | AMEA |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales, excluding intersegment eliminations | 940 | 915 | 2,742 | 2,706
Intelligent Devices | Europe |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales, excluding intersegment eliminations | 530 | 529 | 1,514 | 1,575
Intelligent Devices | Operating Segments | Final Control |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales, excluding intersegment eliminations | 1,116 | 1,046 | 3,165 | 3,037
Intelligent Devices | Operating Segments | Final Control | Americas |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales, excluding intersegment eliminations | 561 | 509 | 1,587 | 1,476
Intelligent Devices | Operating Segments | Final Control | AMEA |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales, excluding intersegment eliminations | 410 | 398 | 1,191 | 1,172
Intelligent Devices | Operating Segments | Final Control | Europe |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales, excluding intersegment eliminations | 145 | 139 | 387 | 389
Intelligent Devices | Operating Segments | Measurement & Analytical |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales, excluding intersegment eliminations | 1,014 | 982 | 2,992 | 2,942
Intelligent Devices | Operating Segments | Measurement & Analytical | Americas |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales, excluding intersegment eliminations | 510 | 488 | 1,492 | 1,475
Intelligent Devices | Operating Segments | Measurement & Analytical | AMEA |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales, excluding intersegment eliminations | 351 | 345 | 1,044 | 1,004
Intelligent Devices | Operating Segments | Measurement & Analytical | Europe |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales, excluding intersegment eliminations | 153 | 149 | 456 | 463
Intelligent Devices | Operating Segments | Discrete Automation |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales, excluding intersegment eliminations | 649 | 618 | 1,844 | 1,863
Intelligent Devices | Operating Segments | Discrete Automation | Americas |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales, excluding intersegment eliminations | 319 | 294 | 896 | 874
Intelligent Devices | Operating Segments | Discrete Automation | AMEA |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales, excluding intersegment eliminations | 161 | 154 | 459 | 477
Intelligent Devices | Operating Segments | Discrete Automation | Europe |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales, excluding intersegment eliminations | 169 | 170 | 489 | 512
Intelligent Devices | Operating Segments | Safety & Productivity |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales, excluding intersegment eliminations | 346 | 351 | 996 | 1,038
Intelligent Devices | Operating Segments | Safety & Productivity | Americas |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales, excluding intersegment eliminations | 265 | 262 | 766 | 774
Intelligent Devices | Operating Segments | Safety & Productivity | AMEA |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales, excluding intersegment eliminations | 18 | 18 | 48 | 53
Intelligent Devices | Operating Segments | Safety & Productivity | Europe |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales, excluding intersegment eliminations | 63 | 71 | 182 | 211
Software and Control |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales, excluding intersegment eliminations | 1,444 | 1,398 | 4,217 | 4,044
Software and Control | Americas |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales, excluding intersegment eliminations | 702 | 653 | 2,012 | 1,886
Software and Control | AMEA |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales, excluding intersegment eliminations | 416 | 397 | 1,220 | 1,153
Software and Control | Europe |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales, excluding intersegment eliminations | 326 | 348 | 985 | 1,005
Software and Control | Operating Segments | Control Systems & Software |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales, excluding intersegment eliminations | 1,083 | 1,043 | 3,138 | 2,940
Software and Control | Operating Segments | Control Systems & Software | Americas |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales, excluding intersegment eliminations | 537 | 493 | 1,516 | 1,400
Software and Control | Operating Segments | Control Systems & Software | AMEA |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales, excluding intersegment eliminations | 320 | 299 | 930 | 858
Software and Control | Operating Segments | Control Systems & Software | Europe |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales, excluding intersegment eliminations | 226 | 251 | 692 | 682
Software and Control | Operating Segments | Test & Measurement |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales, excluding intersegment eliminations | 361 | 355 | 1,079 | 1,104
Software and Control | Operating Segments | Test & Measurement | Americas |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales, excluding intersegment eliminations | 165 | 160 | 496 | 486
Software and Control | Operating Segments | Test & Measurement | AMEA |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales, excluding intersegment eliminations | 96 | 98 | 290 | 295
Software and Control | Operating Segments | Test & Measurement | Europe |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales, excluding intersegment eliminations | $ 100 | $ 97 | $ 293 | $ 323

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