Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Millions		Jun. 30, 2023	Sep. 30, 2022
Common stock, par value (in dollars per share)		$ 1	$ 1
Common stock, issued shares			249,455,584
Treasury stock at cost, shares		27,306,823	27,616,888
Total Assets	[1]	$ 30,929.5	$ 27,192.6
Total Liabilities	[1]	15,558.8	13,490.2
Variable Interest Entity, Primary Beneficiary | NEOM Green Hydrogen Company
Total Assets		1,621.2	519.7
Total Liabilities		$ 496.6	$ 506.8

[1] Includes balances associated with a consolidated variable interest entity ("VIE"), including amounts reflected in "Total Assets" that can only be used to settle obligations of the VIE of $1,621.2 and $519.7 as of 30 June 2023 and 30 September 2022, respectively, as well as liabilities of the VIE reflected within "Total Liabilities" for which creditors do not have recourse to the general credit of Air Products of $496.6 and $506.8 as of 30 June 2023 and 30 September 2022, respectively. Refer to Note 3, Variable Interest Entities, for additional information.