Revenues (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Feb. 29, 2020	Feb. 28, 2019	Feb. 29, 2020	Feb. 28, 2019
Disaggregation of Revenue [Line Items]
Revenues	$ 10,104	$ 9,611	$ 31,090	$ 28,933
Sales to Wholesale Customers
Disaggregation of Revenue [Line Items]
Revenues	6,641	6,482	20,714	19,760
Sales through Direct to Consumer
Disaggregation of Revenue [Line Items]
Revenues	3,447	3,095	10,281	9,051
Other
Disaggregation of Revenue [Line Items]
Revenues	16	34	95	122
Footwear
Disaggregation of Revenue [Line Items]
Revenues	6,832	6,527	20,471	18,945
Apparel
Disaggregation of Revenue [Line Items]
Revenues	2,925	2,734	9,389	8,798
Equipment
Disaggregation of Revenue [Line Items]
Revenues	331	316	1,135	1,068
Other
Disaggregation of Revenue [Line Items]
Revenues	16	34	95	122
Operating Segments | NIKE Brand
Disaggregation of Revenue [Line Items]
Revenues	9,616	9,148	29,556	27,511
Operating Segments | NIKE Brand | Sales to Wholesale Customers
Disaggregation of Revenue [Line Items]
Revenues	6,311	6,174	19,731	18,830
Operating Segments | NIKE Brand | Sales through Direct to Consumer
Disaggregation of Revenue [Line Items]
Revenues	3,297	2,966	9,801	8,648
Operating Segments | NIKE Brand | Other
Disaggregation of Revenue [Line Items]
Revenues	8	8	24	33
Operating Segments | NIKE Brand | Footwear
Disaggregation of Revenue [Line Items]
Revenues	6,377	6,122	19,104	17,723
Operating Segments | NIKE Brand | Apparel
Disaggregation of Revenue [Line Items]
Revenues	2,905	2,707	9,313	8,705
Operating Segments | NIKE Brand | Equipment
Disaggregation of Revenue [Line Items]
Revenues	326	311	1,115	1,050
Operating Segments | NIKE Brand | Other
Disaggregation of Revenue [Line Items]
Revenues	8	8	24	33
Operating Segments | Converse
Disaggregation of Revenue [Line Items]
Revenues	506	463	1,541	1,415
Operating Segments | Converse | Sales to Wholesale Customers
Disaggregation of Revenue [Line Items]
Revenues	330	308	983	930
Operating Segments | Converse | Sales through Direct to Consumer
Disaggregation of Revenue [Line Items]
Revenues	150	129	480	403
Operating Segments | Converse | Other
Disaggregation of Revenue [Line Items]
Revenues	26	26	78	82
Operating Segments | Converse | Footwear
Disaggregation of Revenue [Line Items]
Revenues	455	405	1,367	1,222
Operating Segments | Converse | Apparel
Disaggregation of Revenue [Line Items]
Revenues	20	27	76	93
Operating Segments | Converse | Equipment
Disaggregation of Revenue [Line Items]
Revenues	5	5	20	18
Operating Segments | Converse | Other
Disaggregation of Revenue [Line Items]
Revenues	26	26	78	82
Global Brand Divisions
Disaggregation of Revenue [Line Items]
Revenues	8	8	24	33
Global Brand Divisions | Sales to Wholesale Customers
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Global Brand Divisions | Sales through Direct to Consumer
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Global Brand Divisions | Other
Disaggregation of Revenue [Line Items]
Revenues	8	8	24	33
Global Brand Divisions | Footwear
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Global Brand Divisions | Apparel
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Global Brand Divisions | Equipment
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Global Brand Divisions | Other
Disaggregation of Revenue [Line Items]
Revenues	8	8	24	33
Corporate
Disaggregation of Revenue [Line Items]
Revenues	(18)	0	(7)	7
Corporate | Sales to Wholesale Customers
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Corporate | Sales through Direct to Consumer
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Corporate | Other
Disaggregation of Revenue [Line Items]
Revenues	(18)	0	(7)	7
Corporate | Footwear
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Corporate | Apparel
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Corporate | Equipment
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Corporate | Other
Disaggregation of Revenue [Line Items]
Revenues	(18)	0	(7)	7
North America | Operating Segments | NIKE Brand
Disaggregation of Revenue [Line Items]
Revenues	3,979	3,810	12,254	11,737
North America | Operating Segments | NIKE Brand | Sales to Wholesale Customers
Disaggregation of Revenue [Line Items]
Revenues	2,521	2,547	8,119	8,031
North America | Operating Segments | NIKE Brand | Sales through Direct to Consumer
Disaggregation of Revenue [Line Items]
Revenues	1,458	1,263	4,135	3,706
North America | Operating Segments | NIKE Brand | Other
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
North America | Operating Segments | NIKE Brand | Footwear
Disaggregation of Revenue [Line Items]
Revenues	2,628	2,509	7,723	7,309
North America | Operating Segments | NIKE Brand | Apparel
Disaggregation of Revenue [Line Items]
Revenues	1,228	1,173	4,076	3,985
North America | Operating Segments | NIKE Brand | Equipment
Disaggregation of Revenue [Line Items]
Revenues	123	128	455	443
North America | Operating Segments | NIKE Brand | Other
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Europe, Middle East & Africa | Operating Segments | NIKE Brand
Disaggregation of Revenue [Line Items]
Revenues	2,709	2,435	8,019	7,355
Europe, Middle East & Africa | Operating Segments | NIKE Brand | Sales to Wholesale Customers
Disaggregation of Revenue [Line Items]
Revenues	1,956	1,785	5,792	5,318
Europe, Middle East & Africa | Operating Segments | NIKE Brand | Sales through Direct to Consumer
Disaggregation of Revenue [Line Items]
Revenues	753	650	2,227	2,037
Europe, Middle East & Africa | Operating Segments | NIKE Brand | Other
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Europe, Middle East & Africa | Operating Segments | NIKE Brand | Footwear
Disaggregation of Revenue [Line Items]
Revenues	1,711	1,589	5,005	4,650
Europe, Middle East & Africa | Operating Segments | NIKE Brand | Apparel
Disaggregation of Revenue [Line Items]
Revenues	889	750	2,655	2,374
Europe, Middle East & Africa | Operating Segments | NIKE Brand | Equipment
Disaggregation of Revenue [Line Items]
Revenues	109	96	359	331
Europe, Middle East & Africa | Operating Segments | NIKE Brand | Other
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Greater China | Operating Segments | NIKE Brand
Disaggregation of Revenue [Line Items]
Revenues	1,506	1,588	5,032	4,511
Greater China | Operating Segments | NIKE Brand | Sales to Wholesale Customers
Disaggregation of Revenue [Line Items]
Revenues	881	936	2,895	2,704
Greater China | Operating Segments | NIKE Brand | Sales through Direct to Consumer
Disaggregation of Revenue [Line Items]
Revenues	625	652	2,137	1,807
Greater China | Operating Segments | NIKE Brand | Other
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Greater China | Operating Segments | NIKE Brand | Footwear
Disaggregation of Revenue [Line Items]
Revenues	1,075	1,115	3,486	3,095
Greater China | Operating Segments | NIKE Brand | Apparel
Disaggregation of Revenue [Line Items]
Revenues	400	444	1,428	1,314
Greater China | Operating Segments | NIKE Brand | Equipment
Disaggregation of Revenue [Line Items]
Revenues	31	29	118	102
Greater China | Operating Segments | NIKE Brand | Other
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Asia Pacific & Latin America | Operating Segments | NIKE Brand
Disaggregation of Revenue [Line Items]
Revenues	1,414	1,307	4,227	3,875
Asia Pacific & Latin America | Operating Segments | NIKE Brand | Sales to Wholesale Customers
Disaggregation of Revenue [Line Items]
Revenues	953	906	2,925	2,777
Asia Pacific & Latin America | Operating Segments | NIKE Brand | Sales through Direct to Consumer
Disaggregation of Revenue [Line Items]
Revenues	461	401	1,302	1,098
Asia Pacific & Latin America | Operating Segments | NIKE Brand | Other
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Asia Pacific & Latin America | Operating Segments | NIKE Brand | Footwear
Disaggregation of Revenue [Line Items]
Revenues	963	909	2,890	2,669
Asia Pacific & Latin America | Operating Segments | NIKE Brand | Apparel
Disaggregation of Revenue [Line Items]
Revenues	388	340	1,154	1,032
Asia Pacific & Latin America | Operating Segments | NIKE Brand | Equipment
Disaggregation of Revenue [Line Items]
Revenues	63	58	183	174
Asia Pacific & Latin America | Operating Segments | NIKE Brand | Other
Disaggregation of Revenue [Line Items]
Revenues	$ 0	$ 0	$ 0	$ 0