Operating Segments - Accounts Receivable Net Inventories and Property Plant and Equipment Net by Operating Segments (Detail) (USD $) In Millions, unless otherwise specified	Feb. 28, 2015	May 31, 2014
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts receivable, net	$ 3,294	$ 3,434
Inventories	4,246	3,947
Property, Plant and Equipment, net	2,862	2,834
NIKE Brand
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts receivable, net	2,991	3,246
Inventories	3,942	3,706
Property, Plant and Equipment, net	2,106	2,122
NIKE Brand | North America
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts receivable, net	1,546	1,505
Inventories	2,146	1,758
Property, Plant and Equipment, net	598	545
NIKE Brand | Western Europe
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts receivable, net	391	341
Inventories	681	711
Property, Plant and Equipment, net	411	384
NIKE Brand | Central & Eastern Europe
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts receivable, net	220	280
Inventories	149	271
Property, Plant and Equipment, net	42	51
NIKE Brand | Greater China
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts receivable, net	98	68
Inventories	246	221
Property, Plant and Equipment, net	240	232
NIKE Brand | Japan
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts receivable, net	95	162
Inventories	123	94
Property, Plant and Equipment, net	213	258
NIKE Brand | Emerging Markets
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts receivable, net	551	819
Inventories	571	633
Property, Plant and Equipment, net	102	115
NIKE Brand | Global Brand Division
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts receivable, net	90	71
Inventories	26	18
Property, Plant and Equipment, net	500	537
Converse
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts receivable, net	290	171
Inventories	219	261
Property, Plant and Equipment, net	93	70
Corporate
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts receivable, net	13	17
Inventories	85	(20)
Property, Plant and Equipment, net	$ 663	$ 642