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Pay vs Performance Disclosure - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Mar. 31, 2024
Mar. 31, 2023
Pay vs Performance Disclosure        
Net income attributable to Air Products $ 572.4 $ 439.8 $ 1,181.7 $ 1,012.0