REVENUE RECOGNITION (Details) - USD ($) $ in Millions	12 Months Ended
Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2023
Revenues	$ 8,831	$ 7,940	$ 6,585
Contract with Customer, Asset, Net, Current	280	270
Contract with Customer, Asset, Net, Noncurrent	94	31
Contract with Customer, Asset, after Allowance for Credit Loss	374	301
Contract liabilities, current (Note 3)	143	168
Contract with Customer, Liability, Noncurrent	7	9
Contract with Customer, Liability	150	177
Net Contract Asset	224	$ 124
Contract With Customer Liability, Revenue Recognized, Excluding Opening Balance	$ 125
Revenue Benchmark [Member] \| Customer Concentration Risk \| Customer 1
Percentage of net sales from one customer	10.00%	10.00%	10.00%
Geographic Distribution, Foreign
Revenues	$ 3,296	$ 2,908	$ 2,320

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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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.

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Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

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