Accounts Receivable, Net, Inventories and Property, Plant and Equipment, Net by Operating Segments (Detail) (USD $) In Millions, unless otherwise specified	Feb. 29, 2012	May 31, 2011
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts receivable, net	$ 3,296	$ 3,138
Inventories	3,356	2,715
Property, Plant and Equipment, net	2,205	2,115
NIKE Brand
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts receivable, net	2,780	2,641
Inventories	2,764	2,351
Property, Plant and Equipment, net	1,498	1,394
NIKE Brand | North America
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts receivable, net	1,163	1,069
Inventories	1,159	1,035
Property, Plant and Equipment, net	354	330
NIKE Brand | Western Europe
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts receivable, net	450	500
Inventories	531	463
Property, Plant and Equipment, net	333	338
NIKE Brand | Central & Eastern Europe
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts receivable, net	284	290
Inventories	163	150
Property, Plant and Equipment, net	28	13
NIKE Brand | Greater China
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts receivable, net	201	140
Inventories	230	154
Property, Plant and Equipment, net	186	179
NIKE Brand | Japan
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts receivable, net	119	153
Inventories	103	84
Property, Plant and Equipment, net	352	360
NIKE Brand | Emerging Markets
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts receivable, net	528	466
Inventories	548	440
Property, Plant and Equipment, net	61	58
NIKE Brand | Global Brand Divisions
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts receivable, net	35	23
Inventories	30	25
Property, Plant and Equipment, net	184	116
Other Businesses
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts receivable, net	493	471
Inventories	576	416
Property, Plant and Equipment, net	148	164
Corporate
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts receivable, net	23	26
Inventories	16	(52)
Property, Plant and Equipment, net	$ 559	$ 557