Document and Entity Information	9 Months Ended
Jun. 30, 2011	Jul. 18, 2011
Document and Entity Information
Entity Registrant Name	AIR PRODUCTS & CHEMICALS INC /DE/
Entity Central Index Key	0000002969
Document Type	10-Q
Document Period End Date	Jun. 30, 2011
Amendment Flag	false
Current Fiscal Year End Date	--09-30
Document Fiscal Year Focus	2011
Document Fiscal Period Focus	Q3
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		213,132,964

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