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Supplemental Financial Information - Other Income (Expense), Net (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2020
Equity Securities, FV-NI, Unrealized Gain (Loss) | $ (35) | $ 57 | $ 13
Foreign Currency Transaction Gain (Loss), Realized | (28) | (13) | (17)
Losses on debt extinguishment | (24) | (178) | (8)
Other | 1 | (6) | 5
Other Nonoperating Income (Expense) | (117) | (99) | 23
United States |  |  |
Pension Settlement Expense | 73 |  |
Other Nonoperating Income (Expense) |  |  |
Deferred Compensation Investment Income (Expense) | (46) | 43 | 24
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) | (17) | (1) | 7
Embecta services agreement income, net | $ 33 | $ 0 | $ 0

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