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DEBT - Schedule of Term Loans (Details) - USD ($) $ in Millions	Sep. 30, 2024	Sep. 30, 2023
Debt Instrument [Line Items]
Gross Amount	$ 24,581	$ 19,563
Term loans
Debt Instrument [Line Items]
Gross Amount	8,702	6,249
Tranche H | Term loans
Debt Instrument [Line Items]
Gross Amount	0	1,713
Tranche I | Term loans
Debt Instrument [Line Items]
Gross Amount	1,871	4,536
Tranche J Term Loans | Term loans
Debt Instrument [Line Items]
Gross Amount	3,632	0
Tranche K Term Loans | Term loans
Debt Instrument [Line Items]
Gross Amount	1,699	0
Tranche L Term Loans | Term loans
Debt Instrument [Line Items]
Gross Amount	$ 1,500	$ 0

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- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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