INCOME TAXES - Components of Deferred Taxes (Detail) - USD ($) $ in Millions	Sep. 30, 2025	Sep. 30, 2024
Income Tax Disclosure [Abstract]
Intangible assets	$ (1,012)	$ (1,008)
Property, plant and equipment	(99)	(101)
Interest expense limitation	419	279
Employee benefits	131	115
Inventories	99	90
Capitalized research and development costs	86	73
Net operating losses	59	52
Other	14	52
Total deferred tax liabilities	(303)	(448)
Add: Valuation allowance	(456)	(318)
Total net deferred tax liabilities	$ (759)	$ (766)

Amount of deferred tax liability attributable to taxable temporary differences.

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-Topic 210
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Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible interest carryforward.

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Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary difference from in-process research and development cost acquired in business combination or from joint venture formation or both.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from inventory.

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Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other.

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Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences from employee benefits, classified as other.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.

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Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment.

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