Revenues (Details) - USD ($) $ in Millions	12 Months Ended
	May 31, 2021	May 31, 2020	May 31, 2019
Disaggregation of Revenue [Line Items]
Revenues	$ 44,538	$ 37,403	$ 39,117
Allowance for sales discounts returns and miscellaneous claims	1,077	1,178
Sales to Wholesale Customers
Disaggregation of Revenue [Line Items]
Revenues	27,251	24,310	26,670
Sales through Direct to Consumer
Disaggregation of Revenue [Line Items]
Revenues	17,136	12,984	12,306
Other
Disaggregation of Revenue [Line Items]
Revenues	151	109	141
Footwear
Disaggregation of Revenue [Line Items]
Revenues	30,007	24,947	25,880
Apparel
Disaggregation of Revenue [Line Items]
Revenues	12,969	11,042	11,668
Equipment
Disaggregation of Revenue [Line Items]
Revenues	1,411	1,305	1,428
Other
Disaggregation of Revenue [Line Items]
Revenues	151	109	141
Operating Segments | NIKE Brand
Disaggregation of Revenue [Line Items]
Revenues	42,293	35,568	37,218
Operating Segments | NIKE Brand | Sales to Wholesale Customers
Disaggregation of Revenue [Line Items]
Revenues	25,898	23,156	25,423
Operating Segments | NIKE Brand | Sales through Direct to Consumer
Disaggregation of Revenue [Line Items]
Revenues	16,370	12,382	11,753
Operating Segments | NIKE Brand | Other
Disaggregation of Revenue [Line Items]
Revenues	25	30	42
Operating Segments | NIKE Brand | Footwear
Disaggregation of Revenue [Line Items]
Revenues	28,021	23,305	24,222
Operating Segments | NIKE Brand | Apparel
Disaggregation of Revenue [Line Items]
Revenues	12,865	10,953	11,550
Operating Segments | NIKE Brand | Equipment
Disaggregation of Revenue [Line Items]
Revenues	1,382	1,280	1,404
Operating Segments | NIKE Brand | Other
Disaggregation of Revenue [Line Items]
Revenues	25	30	42
Operating Segments | Converse
Disaggregation of Revenue [Line Items]
Revenues	2,205	1,846	1,906
Operating Segments | Converse | Sales to Wholesale Customers
Disaggregation of Revenue [Line Items]
Revenues	1,353	1,154	1,247
Operating Segments | Converse | Sales through Direct to Consumer
Disaggregation of Revenue [Line Items]
Revenues	766	602	553
Operating Segments | Converse | Other
Disaggregation of Revenue [Line Items]
Revenues	86	90	106
Operating Segments | Converse | Footwear
Disaggregation of Revenue [Line Items]
Revenues	1,986	1,642	1,658
Operating Segments | Converse | Apparel
Disaggregation of Revenue [Line Items]
Revenues	104	89	118
Operating Segments | Converse | Equipment
Disaggregation of Revenue [Line Items]
Revenues	29	25	24
Operating Segments | Converse | Other
Disaggregation of Revenue [Line Items]
Revenues	86	90	106
Global Brand Divisions
Disaggregation of Revenue [Line Items]
Revenues	25	30	42
Global Brand Divisions | Sales to Wholesale Customers
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Global Brand Divisions | Sales through Direct to Consumer
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Global Brand Divisions | Other
Disaggregation of Revenue [Line Items]
Revenues	25	30	42
Global Brand Divisions | Footwear
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Global Brand Divisions | Apparel
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Global Brand Divisions | Equipment
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Global Brand Divisions | Other
Disaggregation of Revenue [Line Items]
Revenues	25	30	42
Corporate
Disaggregation of Revenue [Line Items]
Revenues	40	(11)	(7)
Corporate | Sales to Wholesale Customers
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Corporate | Sales through Direct to Consumer
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Corporate | Other
Disaggregation of Revenue [Line Items]
Revenues	40	(11)	(7)
Corporate | Footwear
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Corporate | Apparel
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Corporate | Equipment
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Corporate | Other
Disaggregation of Revenue [Line Items]
Revenues	40	(11)	(7)
North America | Operating Segments | NIKE Brand
Disaggregation of Revenue [Line Items]
Revenues	17,179	14,484	15,902
North America | Operating Segments | NIKE Brand | Sales to Wholesale Customers
Disaggregation of Revenue [Line Items]
Revenues	10,186	9,371	10,875
North America | Operating Segments | NIKE Brand | Sales through Direct to Consumer
Disaggregation of Revenue [Line Items]
Revenues	6,993	5,113	5,027
North America | Operating Segments | NIKE Brand | Other
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
North America | Operating Segments | NIKE Brand | Footwear
Disaggregation of Revenue [Line Items]
Revenues	11,644	9,329	10,045
North America | Operating Segments | NIKE Brand | Apparel
Disaggregation of Revenue [Line Items]
Revenues	5,028	4,639	5,260
North America | Operating Segments | NIKE Brand | Equipment
Disaggregation of Revenue [Line Items]
Revenues	507	516	597
North America | Operating Segments | NIKE Brand | Other
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Europe, Middle East & Africa | Operating Segments | NIKE Brand
Disaggregation of Revenue [Line Items]
Revenues	11,456	9,347	9,812
Europe, Middle East & Africa | Operating Segments | NIKE Brand | Sales to Wholesale Customers
Disaggregation of Revenue [Line Items]
Revenues	7,812	6,574	7,076
Europe, Middle East & Africa | Operating Segments | NIKE Brand | Sales through Direct to Consumer
Disaggregation of Revenue [Line Items]
Revenues	3,644	2,773	2,736
Europe, Middle East & Africa | Operating Segments | NIKE Brand | Other
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Europe, Middle East & Africa | Operating Segments | NIKE Brand | Footwear
Disaggregation of Revenue [Line Items]
Revenues	6,970	5,892	6,293
Europe, Middle East & Africa | Operating Segments | NIKE Brand | Apparel
Disaggregation of Revenue [Line Items]
Revenues	3,996	3,053	3,087
Europe, Middle East & Africa | Operating Segments | NIKE Brand | Equipment
Disaggregation of Revenue [Line Items]
Revenues	490	402	432
Europe, Middle East & Africa | Operating Segments | NIKE Brand | Other
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Greater China | Operating Segments | NIKE Brand
Disaggregation of Revenue [Line Items]
Revenues	8,290	6,679	6,208
Greater China | Operating Segments | NIKE Brand | Sales to Wholesale Customers
Disaggregation of Revenue [Line Items]
Revenues	4,513	3,803	3,726
Greater China | Operating Segments | NIKE Brand | Sales through Direct to Consumer
Disaggregation of Revenue [Line Items]
Revenues	3,777	2,876	2,482
Greater China | Operating Segments | NIKE Brand | Other
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Greater China | Operating Segments | NIKE Brand | Footwear
Disaggregation of Revenue [Line Items]
Revenues	5,748	4,635	4,262
Greater China | Operating Segments | NIKE Brand | Apparel
Disaggregation of Revenue [Line Items]
Revenues	2,347	1,896	1,808
Greater China | Operating Segments | NIKE Brand | Equipment
Disaggregation of Revenue [Line Items]
Revenues	195	148	138
Greater China | Operating Segments | NIKE Brand | Other
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Asia Pacific & Latin America | Operating Segments | NIKE Brand
Disaggregation of Revenue [Line Items]
Revenues	5,343	5,028	5,254
Asia Pacific & Latin America | Operating Segments | NIKE Brand | Sales to Wholesale Customers
Disaggregation of Revenue [Line Items]
Revenues	3,387	3,408	3,746
Asia Pacific & Latin America | Operating Segments | NIKE Brand | Sales through Direct to Consumer
Disaggregation of Revenue [Line Items]
Revenues	1,956	1,620	1,508
Asia Pacific & Latin America | Operating Segments | NIKE Brand | Other
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Asia Pacific & Latin America | Operating Segments | NIKE Brand | Footwear
Disaggregation of Revenue [Line Items]
Revenues	3,659	3,449	3,622
Asia Pacific & Latin America | Operating Segments | NIKE Brand | Apparel
Disaggregation of Revenue [Line Items]
Revenues	1,494	1,365	1,395
Asia Pacific & Latin America | Operating Segments | NIKE Brand | Equipment
Disaggregation of Revenue [Line Items]
Revenues	190	214	237
Asia Pacific & Latin America | Operating Segments | NIKE Brand | Other
Disaggregation of Revenue [Line Items]
Revenues	0	0	$ 0
Accrued liabilities
Disaggregation of Revenue [Line Items]
Allowance for sales discounts returns and miscellaneous claims	1,077	1,178
Prepaid expenses and other current assets
Disaggregation of Revenue [Line Items]
Reserve for sales returns	$ 269	$ 313