v2.4.0.6
Document and Entity Information (USD $)
12 Months Ended
May 31, 2012
Jul. 19, 2012
Nov. 30, 2011
Document Type 10-K    
Amendment Flag false    
Document Period End Date May 31, 2012    
Document Fiscal Year Focus 2012    
Document Fiscal Period Focus FY    
Trading Symbol NKE    
Entity Registrant Name NIKE INC    
Entity Central Index Key 0000320187    
Current Fiscal Year End Date --05-31    
Entity Well-known Seasoned Issuer Yes    
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Entity Filer Category Large Accelerated Filer    
Entity Public Float     $ 38,014,497,901
Entity Common Stock, Shares Outstanding   455,870,220  
Class A Convertible Common Stock
     
Entity Public Float     2,187,325,079
Entity Common Stock, Shares Outstanding   89,892,248  
Class B Common Stock
     
Entity Public Float     $ 35,827,172,822
Entity Common Stock, Shares Outstanding   365,977,972