Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Operating Activities
Net Income	$ 583.8	$ 549.6
Less: Net income (loss) attributable to noncontrolling interests	11.6	(10.8)
Net income attributable to Air Products	572.2	560.4
Adjustments to reconcile income to cash provided by operating activities:
Depreciation and amortization	321.5	332.3
Deferred income taxes	13.8	15.7
Distributed (Undistributed) earnings of equity method investments	17.2	(117.3)
Gain on sale of assets and investments	(2.3)	(0.8)
Share-based compensation	16.1	15.8
Noncurrent lease receivables	19.4	21.8
Other adjustments	99.0	(49.4)
Working capital changes that provided (used) cash, excluding effects of acquisitions:
Trade receivables	40.4	(132.7)
Inventories	(102.8)	(33.7)
Other receivables	(6.7)	14.0
Payables and accrued liabilities	(257.6)	167.6
Other working capital	(10.9)	(8.5)
Cash Provided by Operating Activities	719.3	785.2
Investing Activities
Additions to plant and equipment, including long-term deposits	(834.2)	(663.8)
Acquisitions, less cash acquired	0.0	(34.6)
Investment in and advances to unconsolidated affiliates	0.0	(1,632.7)
Proceeds from sale of assets and investments	4.0	1.1
Purchases of investments	(19.2)	(727.4)
Proceeds from investments	591.5	1,331.9
Other investing activities	1.7	6.4
Cash Used for Investing Activities	(256.2)	(1,719.1)
Financing Activities
Long-term debt proceeds	476.3	51.6
Payments on long-term debt	(195.9)	(400.0)
Net (decrease) increase in commercial paper and short-term borrowings	(4.1)	113.1
Dividends paid to shareholders	(359.4)	(332.1)
Proceeds from stock option exercises	14.0	13.3
Other financing activities	(16.5)	(31.0)
Cash Used for Financing Activities	(85.6)	(585.1)
Effect of Exchange Rate Changes on Cash	42.5	3.8
Increase (Decrease) in cash and cash items	420.0	(1,515.2)
Cash and Cash items – Beginning of year	2,711.0	4,468.9
Cash and Cash Items – End of Period	$ 3,131.0	$ 2,953.7