Consolidated Statements of Equity - USD ($) $ in Millions	Total	Common Stock	Capital in Excess of Par Value	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Treasury Stock	Air Products Shareholders’ Equity	Non-controlling Interests
Beginning balance at Sep. 30, 2016	$ 7,213.4	$ 249.4	$ 970.0	$ 10,475.5	$ (2,388.3)	$ (2,227.0)	$ 7,079.6	$ 133.8
Stockholders' Equity [Roll Forward]
Net income	3,021.2			3,000.4			3,000.4	20.8
Other comprehensive income (loss)	533.1				529.4		529.4	3.7
Dividends on common stock	(808.5)			(808.5)			(808.5)
Dividends to noncontrolling interests	(28.0)							(28.0)
Share-based compensation	40.7		40.7				40.7
Issuance of treasury shares for stock option and award plans	53.9		(9.6)			63.5	53.9
Spin-off of Versum	152.6			175.0	11.5		186.5	(33.9)
Cumulative change in accounting principle	8.8			8.8			8.8
Other equity transactions	(1.7)			(4.6)			(4.6)	2.9
Ending balance at Sep. 30, 2017	10,185.5	249.4	1,001.1	12,846.6	(1,847.4)	(2,163.5)	10,086.2	99.3
Stockholders' Equity [Roll Forward]
Net income	1,532.9			1,497.8			1,497.8	35.1
Other comprehensive income (loss)	86.5				105.5		105.5	(19.0)
Dividends on common stock	(931.8)			(931.8)			(931.8)
Dividends to noncontrolling interests	(29.9)							(29.9)
Share-based compensation	38.1		38.1				38.1
Issuance of treasury shares for stock option and award plans	63.0		(11.3)			74.3	63.0
Lu'An joint venture	227.4							227.4
Other equity transactions	4.6		1.4	(2.7)			(1.3)	5.9
Ending balance at Sep. 30, 2018	11,176.3	249.4	1,029.3	13,409.9	(1,741.9)	(2,089.2)	10,857.5	318.8
Stockholders' Equity [Roll Forward]
Net income	1,809.4			1,760.0			1,760.0	49.4
Other comprehensive income (loss)	(653.6)				(633.7)		(633.7)	(19.9)
Dividends on common stock	(1,008.3)			(1,008.3)			(1,008.3)
Dividends to noncontrolling interests	(12.2)							(12.2)
Share-based compensation	40.7		40.7				40.7
Issuance of treasury shares for stock option and award plans	61.9		2.2			59.7	61.9
Cumulative change in accounting principle	(17.1)			(17.1)			(17.1)
Other equity transactions	(8.8)		(1.3)	(6.1)			(7.4)	(1.4)
Ending balance at Sep. 30, 2019	$ 11,388.3	$ 249.4	$ 1,070.9	$ 14,138.4	$ (2,375.6)	$ (2,029.5)	$ 11,053.6	$ 334.7

Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement.

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