Amount Of Expected Debt Funding, Percent

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- Definition

Maximum borrowing capacity under project financing without consideration of the amounts currently outstanding under the financing.

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- Definition

Amount of unrealized gain (loss) recognized in earnings on derivative instruments for which cash flow hedging is discontinued, attributable to noncontrolling interests

+ References

No definition available.

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- Definition

Amount of unrealized gain (loss) recognized in earnings on derivative instruments for which cash flow hedging is discontinued, net of income taxes, that is attributable to the parent.

+ References

No definition available.

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Amount of unrealized gain (loss) recognized in earnings on derivative instruments for which cash flow hedging is discontinued, before tax

+ References

No definition available.

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- Definition

Value of engineering, procurement, and construction ("EPC") agreement

+ References

No definition available.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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- Definition

Represents the aggregate of total long-term debt, including current maturities and short-term debt.

+ References

No definition available.

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- Definition

The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a rate subject to change from time to time.

+ References

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- Definition

The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

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- Definition

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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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.

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Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

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Variable Interest Entities (NGHC Joint Venture Project Financing) (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended		6 Months Ended
	May 31, 2023	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2026	Mar. 31, 2025	Sep. 30, 2025
Variable Interest Entity [Line Items]
Long-term debt proceeds				$ 439.2	$ 2,002.5
Short-term borrowings		$ 314.4		$ 314.4		$ 34.7
Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Voting interest in joint venture				33.33%
Value of engineering, procurement, and construction agreement	$ 6,700.0
Short-term borrowings		46.5		$ 46.5		24.0
Variable Interest Entity, Primary Beneficiary \| Nonrecourse
Variable Interest Entity [Line Items]
Total principal borrowings		5,400.0		5,400.0		4,900.0
Variable Interest Entity, Primary Beneficiary \| NEOM Green Hydrogen Project Financing, Primary \| Nonrecourse
Variable Interest Entity [Line Items]
Project financing maximum borrowing capacity		$ 6,100.0		$ 6,100.0
Amount of expected debt funding (percent)		73.00%		73.00%
Variable Interest Entity, Primary Beneficiary \| NEOM Green Hydrogen Project Financing, Working Capital \| Nonrecourse
Variable Interest Entity [Line Items]
Project financing maximum borrowing capacity		$ 500.0		$ 500.0
Variable Interest Entity, Primary Beneficiary \| Saudi Riyal Facility Stated-Rate 2.00% \| Nonrecourse
Variable Interest Entity [Line Items]
Long-term debt proceeds		$ 415.0
Interest rate, stated percentage		2.00%		2.00%
Variable Interest Entity, Primary Beneficiary \| Saudi Riyal Loan Facility Variable-Rate 5.02% \| Nonrecourse
Variable Interest Entity [Line Items]
Short-term borrowings		$ 46.5		$ 46.5		$ 24.0
Interest rate, variable percentage		5.02%		5.02%
Variable Interest Entity, Primary Beneficiary \| De-designated interest rate swap
Variable Interest Entity [Line Items]
Unrealized gain (loss) on de-designated cash flow hedging instruments, before tax			$ 11.5		(27.3)
Unrealized gain (loss) on de-designated cash flow hedging instruments, amount attributable to noncontrolling interests			7.5		(17.7)
Unrealized gain (loss) on de-designated cash flow hedging instruments, amount attributable to Air Products, after tax			$ 3.0		$ (7.3)