Operating Segments and Related Information - Information by Operating Segments (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	May 31, 2013	May 31, 2012	May 31, 2011
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Revenue	$ 25,313	$ 23,331	$ 20,117
Earnings Before Interest and Taxes	3,269	3,029	2,866
Interest (income) expense, net	(3)	4	4
Income before income taxes	3,272	3,025	2,862
Additions to Long-lived Assets	780	587	421
Depreciation	418	353	315
NIKE Brand
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Revenue	22,881	21,079	18,153
Earnings Before Interest and Taxes	3,990	3,561	3,318
Additions to Long-lived Assets	620	454	276
Depreciation	320	262	220
NIKE Brand | North America
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Revenue	10,387	8,839	7,579
Earnings Before Interest and Taxes	2,534	2,030	1,736
Additions to Long-lived Assets	201	131	79
Depreciation	85	78	70
NIKE Brand | Western Europe
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Revenue	4,128	4,144	3,868
Earnings Before Interest and Taxes	640	597	730
Additions to Long-lived Assets	74	93	75
Depreciation	68	62	52
NIKE Brand | Central & Eastern Europe
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Revenue	1,287	1,200	1,040
Earnings Before Interest and Taxes	259	234	244
Additions to Long-lived Assets	22	20	5
Depreciation	9	6	4
NIKE Brand | Greater China
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Revenue	2,453	2,539	2,060
Earnings Before Interest and Taxes	809	911	777
Additions to Long-lived Assets	52	38	43
Depreciation	34	25	19
NIKE Brand | Japan
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Revenue	791	835	773
Earnings Before Interest and Taxes	133	136	114
Additions to Long-lived Assets	6	14	9
Depreciation	21	23	22
NIKE Brand | Emerging Markets
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Revenue	3,718	3,411	2,737
Earnings Before Interest and Taxes	1,011	853	688
Additions to Long-lived Assets	49	27	21
Depreciation	20	15	14
NIKE Brand | Global Brand Divisions
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Revenue	117	111	96
Earnings Before Interest and Taxes	(1,396)	(1,200)	(971)
Additions to Long-lived Assets	216	131	44
Depreciation	83	53	39
Other Businesses
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Revenue	2,500	2,298	2,041
Earnings Before Interest and Taxes	456	385	353
Additions to Long-lived Assets	29	24	27
Depreciation	24	25	24
Corporate
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Revenue	(68)	(46)	(77)
Earnings Before Interest and Taxes	(1,177)	(917)	(805)
Additions to Long-lived Assets	131	109	118
Depreciation	$ 74	$ 66	$ 71