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BUSINESS SEGMENTS - Schedule of Segment Reporting Information, by Segment (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2022 | Jun. 30, 2024 | Sep. 30, 2023 | Jun. 30, 2023 | Sep. 30, 2023
Segment Reporting Information [Line Items] |  |  |  |  |  |  |
Net sales | $ 4,380 | $ 3,946 |  | $ 12,873 |  | $ 11,075 |
Earnings (Loss) | 455 | 822 |  | 1,341 |  | 1,883 |
Gain on subordinated interest |  |  |  | 79 |  | 0 |
Interest expenses | (56) | (10) |  | (157) |  | (111) |
Expense | 57 | 12 |  | 170 |  | 41 |
Acquisition/divestiture costs | 7 | 38 |  | 92 |  | 48 |
Amortization of acquisition-related inventory step-up |  |  |  | 231 |  | 0 |
Loss on divestiture of business | 0 | 0 |  | 39 |  | 0 |
Unrealized gain (loss) on derivatives |  | 12 |  |  |  | 47 |
Gain (loss) on sale of business |  | 10,576 |  |  |  | 13,359 |
National Instruments |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  | $ 170
Expense | 5 |  |  | 41 |  |  |
Acquisition/divestiture costs | 13 |  |  | 159 | $ 110 | 198 |
Restructuring Charges | National Instruments |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |
Stock compensation | 9 |  |  | 53 |  |  |
Software and Control |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |
Expense | 27 | 1 |  | 85 |  | 7 |
Russia |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |
Gain (loss) on sale of business |  |  | $ (47) |  |  |  |
Operating Segments | Intelligent Devices |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |
Net sales | 2,997 | 2,979 |  | 8,880 |  | 8,442 |
Earnings (Loss) | 693 | 708 |  | 2,019 |  | 1,885 |
Expense | 25 | 10 |  | 43 |  | 22 |
Operating Segments | Software and Control |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |
Net sales | 1,398 | 983 |  |  |  |  |
Earnings (Loss) | 129 | 171 |  |  |  |  |
Operating Segments | Final Control | Intelligent Devices |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |
Net sales | 1,046 | 1,035 |  | 3,037 |  | 2,889 |
Earnings (Loss) | 253 | 245 |  | 706 |  | 618 |
Expense | 5 | (2) |  | 1 |  | (1) |
Operating Segments | Measurement & Analytical | Intelligent Devices |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |
Net sales | 982 | 913 |  | 2,942 |  | 2,550 |
Earnings (Loss) | 252 | 257 |  | 761 |  | 661 |
Expense | 3 | 1 |  | 7 |  | 2 |
Operating Segments | Discrete Automation | Intelligent Devices |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |
Net sales | 618 | 668 |  | 1,863 |  | 1,969 |
Earnings (Loss) | 109 | 124 |  | 322 |  | 378 |
Expense | 16 | 12 |  | 33 |  | 20 |
Operating Segments | Safety & Productivity | Intelligent Devices |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |
Net sales | 351 | 363 |  | 1,038 |  | 1,034 |
Earnings (Loss) | 79 | 82 |  | 230 |  | 228 |
Expense | 1 | (1) |  | 2 |  | 1 |
Operating Segments | Control Systems & Software | Software and Control |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |
Net sales | 700 | 663 |  | 2,062 |  | 1,892 |
Earnings (Loss) | 168 | 144 |  | 468 |  | 378 |
Expense | 3 | 1 |  | 7 |  | 7 |
Operating Segments | Test & Measurement | Software and Control |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |
Net sales | 355 | 0 |  | 1,104 |  | 0 |
Earnings (Loss) | (88) | 0 |  | (245) |  | 0 |
Expense | 24 | 0 |  | 78 |  | 0 |
Operating Segments | AspenTech | Software and Control |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |
Net sales | 343 | 320 |  | 878 |  | 793 |
Earnings (Loss) | 49 | 27 |  | 6 |  | (60) |
Expense | 0 | 0 |  | 0 |  | 0 |
Operating Segments | Software and Control | Software and Control |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |
Net sales |  |  |  | 4,044 |  | 2,685 |
Earnings (Loss) |  |  |  | 229 |  | 318 |
Segment Reconciling |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |
Stock compensation | (56) | (56) |  | (203) |  | (198) |
Unallocated pension and postretirement costs | 38 | 42 |  | 107 |  | 133 |
Loss on Copeland note receivable | (279) | 0 |  | (279) |  | 0 |
Gain on subordinated interest | 0 | 0 |  | 79 |  | 0 |
Segment Reconciling | Related Party |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |
Interest income from related party | 24 | 10 |  | 86 |  | 10 |
Corporate and other |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |
Earnings (Loss) | (38) | (43) |  | (540) |  | (154) |
Expense | 5 | 1 |  | 42 |  | 12 |
Eliminations/Interest |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |
Net sales | (15) | (16) |  | (51) |  | (52) |
Interest expenses | $ (56) | $ (10) |  | $ (157) |  | $ (111) |

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