Document and Entity Information - shares	3 Months Ended
	Aug. 31, 2018	Oct. 03, 2018
Entity Listings [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Aug. 31, 2018
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q1
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
Class A Convertible Common Stock
Entity Listings [Line Items]
Entity Common Stock Shares Outstanding (In Shares)		315,041,752
Class B Common Stock
Entity Listings [Line Items]
Entity Common Stock Shares Outstanding (In Shares)		1,273,066,600