Revenues (Details) - USD ($) $ in Millions	3 Months Ended
	Aug. 31, 2019	Aug. 31, 2018
Disaggregation of Revenue [Line Items]
Revenues	$ 10,660	$ 9,948
Sales to Wholesale Customers
Disaggregation of Revenue [Line Items]
Revenues	7,209	6,916
Sales through Direct to Consumer
Disaggregation of Revenue [Line Items]
Revenues	3,412	2,984
Other
Disaggregation of Revenue [Line Items]
Revenues	39	48
Footwear
Disaggregation of Revenue [Line Items]
Revenues	7,017	6,497
Apparel
Disaggregation of Revenue [Line Items]
Revenues	3,147	2,979
Equipment
Disaggregation of Revenue [Line Items]
Revenues	457	424
Other
Disaggregation of Revenue [Line Items]
Revenues	39	48
Operating Segments | NIKE Brand
Disaggregation of Revenue [Line Items]
Revenues	10,096	9,417
Operating Segments | NIKE Brand | Sales to Wholesale Customers
Disaggregation of Revenue [Line Items]
Revenues	6,842	6,550
Operating Segments | NIKE Brand | Sales through Direct to Consumer
Disaggregation of Revenue [Line Items]
Revenues	3,248	2,851
Operating Segments | NIKE Brand | Other
Disaggregation of Revenue [Line Items]
Revenues	6	16
Operating Segments | NIKE Brand | Footwear
Disaggregation of Revenue [Line Items]
Revenues	6,521	6,036
Operating Segments | NIKE Brand | Apparel
Disaggregation of Revenue [Line Items]
Revenues	3,121	2,949
Operating Segments | NIKE Brand | Equipment
Disaggregation of Revenue [Line Items]
Revenues	448	416
Operating Segments | NIKE Brand | Other
Disaggregation of Revenue [Line Items]
Revenues	6	16
Operating Segments | Converse
Disaggregation of Revenue [Line Items]
Revenues	555	527
Operating Segments | Converse | Sales to Wholesale Customers
Disaggregation of Revenue [Line Items]
Revenues	367	366
Operating Segments | Converse | Sales through Direct to Consumer
Disaggregation of Revenue [Line Items]
Revenues	164	133
Operating Segments | Converse | Other
Disaggregation of Revenue [Line Items]
Revenues	24	28
Operating Segments | Converse | Footwear
Disaggregation of Revenue [Line Items]
Revenues	496	461
Operating Segments | Converse | Apparel
Disaggregation of Revenue [Line Items]
Revenues	26	30
Operating Segments | Converse | Equipment
Disaggregation of Revenue [Line Items]
Revenues	9	8
Operating Segments | Converse | Other
Disaggregation of Revenue [Line Items]
Revenues	24	28
Global Brand Divisions
Disaggregation of Revenue [Line Items]
Revenues	6	16
Global Brand Divisions | Sales to Wholesale Customers
Disaggregation of Revenue [Line Items]
Revenues	0	0
Global Brand Divisions | Sales through Direct to Consumer
Disaggregation of Revenue [Line Items]
Revenues	0	0
Global Brand Divisions | Other
Disaggregation of Revenue [Line Items]
Revenues	6	16
Global Brand Divisions | Footwear
Disaggregation of Revenue [Line Items]
Revenues	0	0
Global Brand Divisions | Apparel
Disaggregation of Revenue [Line Items]
Revenues	0	0
Global Brand Divisions | Equipment
Disaggregation of Revenue [Line Items]
Revenues	0	0
Global Brand Divisions | Other
Disaggregation of Revenue [Line Items]
Revenues	6	16
Corporate
Disaggregation of Revenue [Line Items]
Revenues	9	4
Corporate | Sales to Wholesale Customers
Disaggregation of Revenue [Line Items]
Revenues	0	0
Corporate | Sales through Direct to Consumer
Disaggregation of Revenue [Line Items]
Revenues	0	0
Corporate | Other
Disaggregation of Revenue [Line Items]
Revenues	9	4
Corporate | Footwear
Disaggregation of Revenue [Line Items]
Revenues	0	0
Corporate | Apparel
Disaggregation of Revenue [Line Items]
Revenues	0	0
Corporate | Equipment
Disaggregation of Revenue [Line Items]
Revenues	0	0
Corporate | Other
Disaggregation of Revenue [Line Items]
Revenues	9	4
North America | Operating Segments | NIKE Brand
Disaggregation of Revenue [Line Items]
Revenues	4,293	4,145
North America | Operating Segments | NIKE Brand | Sales to Wholesale Customers
Disaggregation of Revenue [Line Items]
Revenues	2,864	2,829
North America | Operating Segments | NIKE Brand | Sales through Direct to Consumer
Disaggregation of Revenue [Line Items]
Revenues	1,429	1,316
North America | Operating Segments | NIKE Brand | Other
Disaggregation of Revenue [Line Items]
Revenues	0	0
North America | Operating Segments | NIKE Brand | Footwear
Disaggregation of Revenue [Line Items]
Revenues	2,669	2,555
North America | Operating Segments | NIKE Brand | Apparel
Disaggregation of Revenue [Line Items]
Revenues	1,431	1,407
North America | Operating Segments | NIKE Brand | Equipment
Disaggregation of Revenue [Line Items]
Revenues	193	183
North America | Operating Segments | NIKE Brand | Other
Disaggregation of Revenue [Line Items]
Revenues	0	0
Europe, Middle East & Africa | Operating Segments | NIKE Brand
Disaggregation of Revenue [Line Items]
Revenues	2,773	2,607
Europe, Middle East & Africa | Operating Segments | NIKE Brand | Sales to Wholesale Customers
Disaggregation of Revenue [Line Items]
Revenues	2,042	1,916
Europe, Middle East & Africa | Operating Segments | NIKE Brand | Sales through Direct to Consumer
Disaggregation of Revenue [Line Items]
Revenues	731	691
Europe, Middle East & Africa | Operating Segments | NIKE Brand | Other
Disaggregation of Revenue [Line Items]
Revenues	0	0
Europe, Middle East & Africa | Operating Segments | NIKE Brand | Footwear
Disaggregation of Revenue [Line Items]
Revenues	1,758	1,642
Europe, Middle East & Africa | Operating Segments | NIKE Brand | Apparel
Disaggregation of Revenue [Line Items]
Revenues	869	830
Europe, Middle East & Africa | Operating Segments | NIKE Brand | Equipment
Disaggregation of Revenue [Line Items]
Revenues	146	135
Europe, Middle East & Africa | Operating Segments | NIKE Brand | Other
Disaggregation of Revenue [Line Items]
Revenues	0	0
Greater China | Operating Segments | NIKE Brand
Disaggregation of Revenue [Line Items]
Revenues	1,679	1,379
Greater China | Operating Segments | NIKE Brand | Sales to Wholesale Customers
Disaggregation of Revenue [Line Items]
Revenues	986	871
Greater China | Operating Segments | NIKE Brand | Sales through Direct to Consumer
Disaggregation of Revenue [Line Items]
Revenues	693	508
Greater China | Operating Segments | NIKE Brand | Other
Disaggregation of Revenue [Line Items]
Revenues	0	0
Greater China | Operating Segments | NIKE Brand | Footwear
Disaggregation of Revenue [Line Items]
Revenues	1,164	958
Greater China | Operating Segments | NIKE Brand | Apparel
Disaggregation of Revenue [Line Items]
Revenues	465	380
Greater China | Operating Segments | NIKE Brand | Equipment
Disaggregation of Revenue [Line Items]
Revenues	50	41
Greater China | Operating Segments | NIKE Brand | Other
Disaggregation of Revenue [Line Items]
Revenues	0	0
Asia Pacific & Latin America | Operating Segments | NIKE Brand
Disaggregation of Revenue [Line Items]
Revenues	1,345	1,270
Asia Pacific & Latin America | Operating Segments | NIKE Brand | Sales to Wholesale Customers
Disaggregation of Revenue [Line Items]
Revenues	950	934
Asia Pacific & Latin America | Operating Segments | NIKE Brand | Sales through Direct to Consumer
Disaggregation of Revenue [Line Items]
Revenues	395	336
Asia Pacific & Latin America | Operating Segments | NIKE Brand | Other
Disaggregation of Revenue [Line Items]
Revenues	0	0
Asia Pacific & Latin America | Operating Segments | NIKE Brand | Footwear
Disaggregation of Revenue [Line Items]
Revenues	930	881
Asia Pacific & Latin America | Operating Segments | NIKE Brand | Apparel
Disaggregation of Revenue [Line Items]
Revenues	356	332
Asia Pacific & Latin America | Operating Segments | NIKE Brand | Equipment
Disaggregation of Revenue [Line Items]
Revenues	59	57
Asia Pacific & Latin America | Operating Segments | NIKE Brand | Other
Disaggregation of Revenue [Line Items]
Revenues	$ 0	$ 0