Operating Segments - Accounts Receivable Net Inventories and Property Plant and Equipment Net by Operating Segments (Detail) - USD ($) $ in Millions	Aug. 31, 2015	May. 31, 2015
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts receivable, net	$ 3,288	$ 3,358
Inventories	4,414	4,337
Property, Plant and Equipment, net	3,112	3,011
Operating Segments
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts receivable, net	3,288	3,358
Inventories	4,414	4,337
Property, Plant and Equipment, net	3,112	3,011
Operating Segments | NIKE Brand
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts receivable, net	2,983	3,090
Inventories	4,079	3,978
Property, Plant and Equipment, net	2,232	2,176
Operating Segments | NIKE Brand | North America
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts receivable, net	1,570	1,737
Inventories	2,286	2,207
Property, Plant and Equipment, net	643	632
Operating Segments | NIKE Brand | Western Europe
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts receivable, net	499	344
Inventories	672	699
Property, Plant and Equipment, net	485	451
Operating Segments | NIKE Brand | Central & Eastern Europe
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts receivable, net	249	242
Inventories	139	169
Property, Plant and Equipment, net	45	47
Operating Segments | NIKE Brand | Greater China
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts receivable, net	76	84
Inventories	332	249
Property, Plant and Equipment, net	239	254
Operating Segments | NIKE Brand | Japan
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts receivable, net	79	134
Inventories	106	94
Property, Plant and Equipment, net	209	205
Operating Segments | NIKE Brand | Emerging Markets
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts receivable, net	431	461
Inventories	507	528
Property, Plant and Equipment, net	98	103
Operating Segments | NIKE Brand | Global Brand Division
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts receivable, net	79	88
Inventories	37	32
Property, Plant and Equipment, net	513	484
Operating Segments | Converse
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts receivable, net	288	258
Inventories	223	237
Property, Plant and Equipment, net	116	122
Operating Segments | Corporate
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts receivable, net	17	10
Inventories	112	122
Property, Plant and Equipment, net	$ 764	$ 713