Operating Segments - Information by Operating Segments (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
Nov. 30, 2014	Nov. 30, 2013	Nov. 30, 2014	Nov. 30, 2013
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Revenue	$ 7,380us-gaap_SalesRevenueNet	$ 6,431us-gaap_SalesRevenueNet	$ 15,362us-gaap_SalesRevenueNet	$ 13,402us-gaap_SalesRevenueNet
Earnings Before Interest and Taxes	887nke_EarningsBeforeInterestAndTaxes	722nke_EarningsBeforeInterestAndTaxes	2,125nke_EarningsBeforeInterestAndTaxes	1,768nke_EarningsBeforeInterestAndTaxes
Interest expense (income), net	9	8	18	16
Income before income taxes	878	714	2,107	1,752
NIKE Brand
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Revenue	6,959	6,070	14,380	12,538
Earnings Before Interest and Taxes	1,074	855	2,368	1,952
NIKE Brand \| North America
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Revenue	3,241	2,801	6,754	5,936
Earnings Before Interest and Taxes	785	647	1,755	1,460
NIKE Brand \| Western Europe
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Revenue	1,312	1,074	3,026	2,375
Earnings Before Interest and Taxes	261	123	665	388
NIKE Brand \| Central & Eastern Europe
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Revenue	346	295	738	661
Earnings Before Interest and Taxes	57	48	125	129
NIKE Brand \| Greater China
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Revenue	758	629	1,437	1,203
Earnings Before Interest and Taxes	258	197	476	367
NIKE Brand \| Japan
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Revenue	199	210	359	368
Earnings Before Interest and Taxes	29	47	40	71
NIKE Brand \| Emerging Markets
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Revenue	1,075	1,030	2,009	1,932
Earnings Before Interest and Taxes	236	243	392	453
NIKE Brand \| Global Brand Division
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Revenue	28	31	57	63
Earnings Before Interest and Taxes	(552)	(450)	(1,085)	(916)
Converse
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Revenue	434	360	1,009	854
Earnings Before Interest and Taxes	88	100	274	269
Corporate
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Revenue	(13)	1	(27)	10
Earnings Before Interest and Taxes	$ (275)	$ (233)	$ (517)	$ (453)

Amount of income or loss before interest expense (income) and income taxes.

No definition available.

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- Definition

Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(h)(1)(i))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ Details

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- Definition

The net amount of nonoperating interest income (expense).

+ References

No definition available.

+ Details

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- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

+ Details

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- Details

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