Document and Entity Information	6 Months Ended
	Nov. 30, 2012
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Nov. 30, 2012
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q2
Trading Symbol	NKE
Entity Registrant Name	NIKE INC
Entity Central Index Key	0000320187
Current Fiscal Year End Date	--05-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding	895,711,770
Class A Convertible Common Stock
Entity Common Stock, Shares Outstanding	179,784,496
Class B Common Stock
Entity Common Stock, Shares Outstanding	715,927,274