Assets and Liabilities Held For Sale and Discontinued Operations - Summary of Impairment Charges to Write Down Disposal Groups (Details) - USD ($) $ in Millions |
12 Months Ended | |
---|---|---|
Sep. 30, 2023 |
Sep. 30, 2022 |
|
Global Products | ||
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | ||
Disposal group, not discontinued operation, loss (gain) on write-down | $ 438 | $ 359 |
Building Solutions Asia Pacific | ||
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | ||
Disposal group, not discontinued operation, loss (gain) on write-down | 60 | 60 |
Asset impairment charges | $ 0 | $ 45 |