Derivative, amount of hedged ordinary shares

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- Definition

Hedge percentage for foreign exchange transactional exposures, Maximum.

+ References

No definition available.

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- Definition

Hedge percentage for foreign exchange transactional exposures, Minimum.

+ References

No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

Amount of hedged item in hedging relationship. Excludes hedged asset or liability.

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Nominal or face amount used to calculate payment on derivative.

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- Definition

Nominal or face amount used to calculate payments on a nonderivative instrument.

+ References

No definition available.

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- Definition

Amount, before tax and reclassification, of gain (loss) from derivative designated and qualifying as net investment hedge.

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- Definition

Amount, before tax, of reclassification from accumulated other comprehensive income (AOCI) for gain (loss) from derivative designated and qualifying as net investment hedge.

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Derivative Instruments and Hedging Activities Derivatives, Additional Information (Details) € in Millions, shares in Millions, ¥ in Billions	12 Months Ended
	Sep. 30, 2021 USD ($) shares	Sep. 30, 2021 EUR (€)	Sep. 30, 2021 JPY (¥)	Sep. 30, 2020 USD ($) shares	Sep. 30, 2020 EUR (€)	Sep. 30, 2020 JPY (¥)	Sep. 30, 2019 USD ($)
Derivative [Line Items]
Hedge percentage for foreign exchange transactional exposures, Minimum	70.00%	70.00%	70.00%
Hedge percentage for foreign exchange transactional exposures, Maximum	90.00%	90.00%	90.00%
Derivative, amount of hedged ordinary shares \| shares	0.3			1.4
Pre-tax gains (losses) related to net investment hedges reclassified from other comprehensive income	$ 0			$ 0			$ 0
Two Point Zero Percent Due Two Thousand Thirty One \| Johnson Controls International plc (JCI) and Tyco Fire & Security Finance S.C.A. (TFSCA)
Derivative [Line Items]
Debt instrument, face amount	500,000,000
Interest rate swaps
Derivative [Line Items]
Derivative, Notional Amount	500,000,000
Foreign Currency Denominated Debt [Member]
Derivative [Line Items]
Notional Amount of Nonderivative Instruments		€ 2,300	¥ 25		€ 2,400	¥ 25
Equity swap
Derivative [Line Items]
Derivative, Amount of Hedged Item	23,000,000			60,000,000
Net Investment Hedging [Member]
Derivative [Line Items]
Pre-tax gains (losses) related to net investment hedges recorded in other comprehensive income	$ 42,000,000			$ (172,000,000)			$ 145,000,000