SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($) $ / shares in Units, $ in Millions |
1 Months Ended | 3 Months Ended | 4 Months Ended | |||
|---|---|---|---|---|---|---|
Jun. 30, 2026 |
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
May 31, 2026 |
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| Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] | ||||||
| Gross contract assets | $ 149 | $ 149 | $ 150 | |||
| Deferred unearned revenue | 74 | 74 | $ 76 | |||
| Share-based payment arrangement, expense | $ 9 | $ 3 | $ 16 | $ 5 | ||
| Restricted Share Units (RSUs) | ||||||
| Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] | ||||||
| Granted (in shares) | 120,421 | |||||
| Weighted-average grant-date fair value (in dollars per share) | $ 149.69 | |||||
| Performance Share Units (PSUs) | ||||||
| Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] | ||||||
| Granted (in shares) | 118,286 | |||||
| Weighted-average grant-date fair value (in dollars per share) | $ 149.69 | |||||
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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, before allowance for credit loss, of right to consideration in exchange for good or service transferred to customer, when right is conditioned on something other than passage of time. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition 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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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