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Financial Instruments and Fair Value Measurements - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis (Details) - USD ($) $ in Millions | Mar. 31, 2024 | Sep. 30, 2023
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Fair Value Disclosures [Abstract] |  |
Institutional money market accounts | $ 411 | $ 373
Current portion of long-term debt | 2,001 | 1,122
Long-term debt | $ 14,763 | $ 12,850

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- Definition Fair Value Of Debt Classified From Long Term To Short Term + References No definition available. + Details
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- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References No definition available. + Details
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- References No definition available. + Details
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- Definition Fair value portion of contractual obligation to pay money on demand or on fixed or determinable dates. + References No definition available. + Details
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