SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Concentration of Credit Risk (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
Sep. 30, 2024	Jun. 30, 2024
Concentration Risk [Line Items]
Accounts receivable, net	$ 1,977	$ 1,727
Largest Customer \| Accounts Receivable \| Customer Concentration Risk
Concentration Risk [Line Items]
Accounts receivable, net	$ 200	$ 78
Concentration risk (as a percent)	10.00%	4.00%

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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