EQUITY METHOD INVESTMENT AND NOTE RECEIVABLE - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions |
3 Months Ended | 9 Months Ended | ||||
|---|---|---|---|---|---|---|
Aug. 13, 2024 |
May 31, 2023 |
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Schedule of Equity Method Investments [Line Items] | ||||||
| Interest income | $ 31 | $ 32 | $ 120 | $ 105 | ||
| Loss on Copeland note receivable | $ 0 | 279 | $ 0 | 279 | ||
| Loss on Copeland note receivable, net of tax | $ 217 | |||||
| Loss from equity method investment (in dollars per share) | $ 0.38 | |||||
| Copeland | Related Party | ||||||
| Schedule of Equity Method Investments [Line Items] | ||||||
| Interest income | $ 24 | $ 86 | ||||
| Copeland | ||||||
| Schedule of Equity Method Investments [Line Items] | ||||||
| Noncontrolling interest, ownership percentage by parent | 40.00% | |||||
| Copeland | ||||||
| Schedule of Equity Method Investments [Line Items] | ||||||
| Proceeds from divestiture | $ 9,700 | |||||
| Notes receivable, consideration | $ 2,250 | $ 1,900 | ||||
| Proceeds from sale of equity method investments | $ 1,500 | |||||
| Proceeds from sale of notes receivable | $ 1,900 | |||||