Operating Segments - Information by Operating Segments (Detail) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Nov. 30, 2017	Nov. 30, 2016	Nov. 30, 2017	Nov. 30, 2016
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	$ 8,554	$ 8,180	$ 17,624	$ 17,241
EARNINGS BEFORE INTEREST AND TAXES	892	1,129	1,980	2,417
Interest expense (income), net	13	15	29	22
Income before income taxes	879	1,114	1,951	2,395
Corporate
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	10	40	12	68
EARNINGS BEFORE INTEREST AND TAXES	(343)	(196)	(776)	(359)
NIKE Brand
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	8,136	7,724	16,721	16,183
EARNINGS BEFORE INTEREST AND TAXES	1,187	1,247	2,619	2,545
NIKE Brand \| Global Brand Divisions
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	23	21	43	36
EARNINGS BEFORE INTEREST AND TAXES	(602)	(619)	(1,277)	(1,390)
NIKE Brand \| North America
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	3,485	3,650	7,409	7,681
EARNINGS BEFORE INTEREST AND TAXES	783	912	1,785	1,916
NIKE Brand \| Europe, Middle East & Africa
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	2,133	1,792	4,477	4,054
EARNINGS BEFORE INTEREST AND TAXES	337	313	788	798
NIKE Brand \| Greater China
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	1,222	1,055	2,330	2,075
EARNINGS BEFORE INTEREST AND TAXES	378	375	772	746
NIKE Brand \| Asia Pacific & Latin America
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	1,273	1,206	2,462	2,337
EARNINGS BEFORE INTEREST AND TAXES	291	266	551	475
Converse
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	408	416	891	990
EARNINGS BEFORE INTEREST AND TAXES	$ 48	$ 78	$ 137	$ 231

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

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- Definition

Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.

+ 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

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The net amount of nonoperating interest income (expense).

+ References

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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=63488584&loc=d3e20235-122688

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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