Information by Operating Segments (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Aug. 31, 2012	Aug. 31, 2011
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Revenue	$ 6,669	$ 6,081
Earnings Before Interest and Taxes	779	852
Interest (income) expense, net	(3)	0
Income before income taxes	782	852
NIKE Brand
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Revenue	5,864	5,316
Earnings Before Interest and Taxes	941	961
NIKE Brand | North America
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Revenue	2,706	2,200
Earnings Before Interest and Taxes	630	539
NIKE Brand | Western Europe
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Revenue	1,167	1,228
Earnings Before Interest and Taxes	214	223
NIKE Brand | Central & Eastern Europe
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Revenue	342	334
Earnings Before Interest and Taxes	61	70
NIKE Brand | Greater China
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Revenue	572	528
Earnings Before Interest and Taxes	164	171
NIKE Brand | Japan
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Revenue	183	194
Earnings Before Interest and Taxes	24	34
NIKE Brand | Emerging Markets
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Revenue	867	800
Earnings Before Interest and Taxes	223	190
NIKE Brand | Global Brand Divisions
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Revenue	27	32
Earnings Before Interest and Taxes	(375)	(266)
Other Businesses
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Revenue	635	585
Earnings Before Interest and Taxes	121	104
Businesses to be Divested
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Revenue	195	188
Earnings Before Interest and Taxes	(18)	(18)
Corporate
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Revenue	(25)	(8)
Earnings Before Interest and Taxes	$ (265)	$ (195)