Operating Segments and Related Information - Accounts Receivable Net Inventories and Property Plant and Equipment Net by Operating Segments (Detail) - USD ($) $ in Millions	May. 31, 2015	May. 31, 2014
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts Receivable, net	$ 3,358	$ 3,434
Inventories	4,337	3,947
Property, Plant and Equipment, net	3,011	2,834
Operating Segments
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts Receivable, net	3,358	3,434
Inventories	4,337	3,947
Property, Plant and Equipment, net	3,011	2,834
Operating Segments | NIKE Brand
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts Receivable, net	3,090	3,246
Inventories	3,978	3,706
Property, Plant and Equipment, net	2,176	2,122
Operating Segments | NIKE Brand | North America
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts Receivable, net	1,737	1,505
Inventories	2,207	1,758
Property, Plant and Equipment, net	632	545
Operating Segments | NIKE Brand | Western Europe
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts Receivable, net	344	341
Inventories	699	711
Property, Plant and Equipment, net	451	384
Operating Segments | NIKE Brand | Central & Eastern Europe
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts Receivable, net	242	280
Inventories	169	271
Property, Plant and Equipment, net	47	51
Operating Segments | NIKE Brand | Greater China
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts Receivable, net	84	68
Inventories	249	221
Property, Plant and Equipment, net	254	232
Operating Segments | NIKE Brand | Japan
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts Receivable, net	134	162
Inventories	94	94
Property, Plant and Equipment, net	205	258
Operating Segments | NIKE Brand | Emerging Markets
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts Receivable, net	461	819
Inventories	528	633
Property, Plant and Equipment, net	103	115
Operating Segments | NIKE Brand | Global Brand Divisions
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts Receivable, net	88	71
Inventories	32	18
Property, Plant and Equipment, net	484	537
Operating Segments | Converse
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts Receivable, net	258	171
Inventories	237	261
Property, Plant and Equipment, net	122	70
Operating Segments | Corporate
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts Receivable, net	10	17
Inventories	122	(20)
Property, Plant and Equipment, net	$ 713	$ 642