SHORT-TERM BORROWINGS AND LINES OF CREDIT - Schedule Of Short-Term Debt And Current Maturities Of Long-Term Debt (Details) - USD ($) $ in Millions	Sep. 30, 2025	Sep. 30, 2024
Debt Disclosure [Abstract]
Current maturities of long-term debt	$ 605	$ 532
Commercial paper and other short-term borrowings	4,192	0
Total	$ 4,797	$ 532
Interest rate for weighted-average short-term borrowings at year end	4.30%	0.00%

Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days.

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- Definition

Amount of debt and lease obligation, classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
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-Name Accounting Standards Codification
-Section S99
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Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as current. Excludes lease obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
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Weighted average interest rate of short-term debt outstanding calculated at point in time.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
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