DEBT - Future Maturities of Long-Term Debt (Detail) $ in Millions	Sep. 30, 2025 USD ($)
Debt Disclosure [Abstract]
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months	$ 116
Long-term Debt, Maturities, Repayments of Principal in Year Two	116
Long-term Debt, Maturities, Repayments of Principal in Year Three	2,216
Long-term Debt, Maturities, Repayments of Principal in Year Four	4,812
Long-term Debt, Maturities, Repayments of Principal in Year Five	3,478
Long-term Debt, Maturities, Repayments of Principal after Year Five	18,498
Debt Instrument, Face Amount	$ 29,236

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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