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Income Taxes - Temporary Differences and Carryforwards (Details) - USD ($) $ in Millions | Sep. 30, 2024 | Sep. 30, 2023
--- | --- | ---
Deferred tax assets: |  |
Accrued expenses and reserves | $ 123 | $ 135
Employee and retiree benefits | 24 | 25
Net operating loss and other carryforwards | 1,400 | 1,293
Property, plant and equipment | 114 | 113
Intangible assets | 112 | 132
Operating lease liabilities | 57 | 55
Research and development | 102 | 66
Deferred tax assets: | 1,932 | 1,819
Valuation allowances | (1,769) | (1,655)
Deferred tax assets, net | 163 | 164
Deferred tax liabilities: |  |
Unremitted earnings of foreign subsidiaries | 39 | 38
Indirect tax credits | 0 | 10
Operating lease right-of-use assets | 57 | 55
Other | 13 | 14
Deferred tax liabilities: | 109 | 117
Net deferred tax asset | $ 54 | $ 47

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