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ACQUISITIONS AND DIVESTITURES - Narrative (Details) $ / shares in Units, $ in Millions |  | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Oct. 11, 2023 USD ($) | Jun. 30, 2024 USD ($) | Mar. 31, 2024 USD ($) | Sep. 30, 2023 USD ($) business | Jun. 30, 2023 USD ($) | Dec. 31, 2022 USD ($) $ / shares | Jun. 30, 2024 USD ($) | Sep. 30, 2023 USD ($) | Jun. 30, 2023 USD ($) | Sep. 30, 2023 USD ($)
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Earnings |  | $ 4,380 |  |  | $ 3,946 |  | $ 12,873 |  | $ 11,075 |
Mark-to-market gain (loss) |  |  |  |  | 3 |  |  |  | 24 |
Acquisition/divestiture costs |  | 7 |  |  | 38 |  | 92 |  | 48 |
Gain on subordinated interest |  | 0 | $ 79 |  | 0 |  | 79 |  | 0 |
Loss on divestiture of business |  | 0 |  |  | 0 |  | 39 |  | 0 |
Purchase price of businesses, net of cash acquired |  |  |  |  |  |  | 8,342 |  | 0 |
Goodwill |  | 17,936 |  | $ 14,480 |  |  | 17,936 | $ 14,480 |  | $ 14,480
Goodwill expected tax deductible amount | $ 121 |  |  |  |  |  |  |  |  |
Gain (loss) on sale of business |  |  |  |  | 10,576 |  |  |  | 13,359 |
Russia |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Gain (loss) on sale of business |  |  |  |  |  | $ (47) |  |  |  |
Loss on disposal (in dollars per share) | $ / shares |  |  |  |  |  | $ 0.08 |  |  |  |
National Instruments |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Net sales | 1,700 |  |  |  |  |  |  |  |  |
Earnings |  |  |  |  |  |  |  |  |  | 170
Acquisition including sales |  | 355 |  |  | 417 |  | 1,104 |  | 1,302 |
Net loss since acquisition date |  | 86 |  |  |  |  | 492 |  |  |
Amortization of intangible assets |  | 139 |  |  | 105 |  | 419 |  | 317 |
Mark-to-market gain (loss) |  |  |  |  | 12 |  |  |  | 47 |
Acquisition/divestiture costs |  | 13 |  |  |  |  | 159 | 110 | 198 |
Net earnings from continuing operations common stockholders |  | $ 374 |  |  | 581 |  | $ 1,396 |  | 887 |
Goodwill | $ 3,434 |  |  |  |  |  |  |  |  |
National Instruments | National Instruments |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Acquisition/divestiture costs |  |  |  |  |  |  |  | 88 |  |
National Instruments | Backlog Amortization |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Amortization of intangible assets |  |  |  |  | $ 34 |  |  |  | 102 |
National Instruments | Fair Value Adjustment to Inventory |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Net earnings from continuing operations common stockholders |  |  |  |  |  |  |  |  | 213 |
National Instruments | Retention Bonus |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Net earnings from continuing operations common stockholders |  |  |  |  |  |  |  |  | $ 51 |
Other Segment Transactions |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Number of businesses acquired | business |  |  |  | 2 |  |  |  |  |  |
Purchase price of businesses, net of cash acquired |  |  |  | $ 715 |  |  |  |  |  |
Goodwill |  |  |  | 424 |  |  |  | 424 |  | 424
Goodwill expected tax deductible amount |  |  |  | 0 |  |  |  | 0 |  | 0
Intangible assets |  |  |  | $ 323 |  |  |  | $ 323 |  | $ 323
Weighted-average useful life |  |  |  | 9 years |  |  |  |  |  |

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