STOCKHOLDER'S EQUITY (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
Mar. 31, 2026	Mar. 31, 2025	Sep. 30, 2026
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	$ 1	$ 0
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax	$ 0	$ 0
Forecast [Member]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax			$ 7
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax			$ 2

Amount after tax of reclassification adjustments of other comprehensive income (loss).

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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 7: http://www.xbrl.org/2003/role/disclosureRef
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+ Details