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v3.23.3

Equity Method Investment and Note Receivable - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions |  | 12 Months Ended
--- | --- | ---
May 31, 2023 | Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2021
Schedule of Equity Method Investments [Line Items] |  |  |  |
Pre-tax cash proceeds from divestiture of business |  | $ 0 | $ 17 | $ 30
Loss from equity method investment |  | 177 | 0 | 0
Income tax, benefit |  | (599) | (549) | (346)
Interest income |  | 227 | 34 | 10
Related Party |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Proceeds from related party note receivable |  | 918 | 0 | 0
Payment of related party note payable |  | 918 | $ 0 | $ 0
Copeland |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Equity method investment | $ 1,359 | 1,162 |  |
Notes receivable | $ 2,052 | 2,093 |  |
Loss from equity method investment |  | 177 |  |
Income tax, benefit |  | $ 43 |  |
Loss from equity method investment (in dollars per share) |  | $ 0.24 |  |
Proceeds from related party note receivable |  | $ 918 |  |
Payment of related party note payable |  | 918 |  |
Copeland | Related Party |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Interest income |  | $ 41 |  |
Copeland |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Noncontrolling common equity interest | 40.00% |  |  |
Copeland |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Pre-tax cash proceeds from divestiture of business | $ 9,700 |  |  |
Notes receivable, consideration | $ 2,250 |  |  |

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