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RESTRUCTURING COSTS - Schedule Of Restructuring Expense by Segment (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2023
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring costs | $ 136 | $ 228 | $ 72
Corporate and other |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring costs | 41 | 51 | 14
Intelligent Devices |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring costs | 55 | 80 | 48
Intelligent Devices | Operating Segments | Final Control |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring costs | 9 | 12 | 12
Intelligent Devices | Operating Segments | Measurement & Analytical |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring costs | 14 | 26 | 9
Intelligent Devices | Operating Segments | Discrete Automation |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring costs | 28 | 35 | 27
Intelligent Devices | Operating Segments | Safety & Productivity |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring costs | 4 | 7 | 0
Software & Control |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring costs | 40 | 97 | 10
Software & Control | Operating Segments | Control Systems & Software |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring costs | 25 | 19 | 10
Software & Control | Operating Segments | Test & Measurement |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring costs | $ 15 | $ 78 | $ 0

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