Revenues (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Nov. 30, 2018	Nov. 30, 2018	May 31, 2018
Disaggregation of Revenue [Line Items]
Revenues	$ 9,374	$ 19,322
Allowance for sales discounts returns and miscellaneous claims	1,107	1,107	$ 20
Sales to Wholesale Customers
Disaggregation of Revenue [Line Items]
Revenues	6,362	13,278
Sales through Direct to Consumer
Disaggregation of Revenue [Line Items]
Revenues	2,972	5,956
Other(1)
Disaggregation of Revenue [Line Items]
Revenues	40	88
Footwear
Disaggregation of Revenue [Line Items]
Revenues	5,921	12,418
Apparel
Disaggregation of Revenue [Line Items]
Revenues	3,085	6,064
Equipment
Disaggregation of Revenue [Line Items]
Revenues	328	752
Other(1)
Disaggregation of Revenue [Line Items]
Revenues	40	88
Operating Segments | NIKE Brand
Disaggregation of Revenue [Line Items]
Revenues	8,946	18,363
Operating Segments | NIKE Brand | Sales to Wholesale Customers
Disaggregation of Revenue [Line Items]
Revenues	6,106	12,656
Operating Segments | NIKE Brand | Sales through Direct to Consumer
Disaggregation of Revenue [Line Items]
Revenues	2,831	5,682
Operating Segments | NIKE Brand | Other(1)
Disaggregation of Revenue [Line Items]
Revenues	9	25
Operating Segments | NIKE Brand | Footwear
Disaggregation of Revenue [Line Items]
Revenues	5,565	11,601
Operating Segments | NIKE Brand | Apparel
Disaggregation of Revenue [Line Items]
Revenues	3,049	5,998
Operating Segments | NIKE Brand | Equipment
Disaggregation of Revenue [Line Items]
Revenues	323	739
Operating Segments | NIKE Brand | Other(1)
Disaggregation of Revenue [Line Items]
Revenues	9	25
Operating Segments | Converse
Disaggregation of Revenue [Line Items]
Revenues	425	952
Operating Segments | Converse | Sales to Wholesale Customers
Disaggregation of Revenue [Line Items]
Revenues	256	622
Operating Segments | Converse | Sales through Direct to Consumer
Disaggregation of Revenue [Line Items]
Revenues	141	274
Operating Segments | Converse | Other(1)
Disaggregation of Revenue [Line Items]
Revenues	28	56
Operating Segments | Converse | Footwear
Disaggregation of Revenue [Line Items]
Revenues	356	817
Operating Segments | Converse | Apparel
Disaggregation of Revenue [Line Items]
Revenues	36	66
Operating Segments | Converse | Equipment
Disaggregation of Revenue [Line Items]
Revenues	5	13
Operating Segments | Converse | Other(1)
Disaggregation of Revenue [Line Items]
Revenues	28	56
Global Brand Divisions
Disaggregation of Revenue [Line Items]
Revenues	9	25
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(1)
Disaggregation of Revenue [Line Items]
Revenues	9	25
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(1)
Disaggregation of Revenue [Line Items]
Revenues	9	25
Corporate
Disaggregation of Revenue [Line Items]
Revenues	3	7
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(1)
Disaggregation of Revenue [Line Items]
Revenues	3	7
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(1)
Disaggregation of Revenue [Line Items]
Revenues	3	7
North America | Operating Segments | NIKE Brand
Disaggregation of Revenue [Line Items]
Revenues	3,782	7,927
North America | Operating Segments | NIKE Brand | Sales to Wholesale Customers
Disaggregation of Revenue [Line Items]
Revenues	2,655	5,484
North America | Operating Segments | NIKE Brand | Sales through Direct to Consumer
Disaggregation of Revenue [Line Items]
Revenues	1,127	2,443
North America | Operating Segments | NIKE Brand | Other(1)
Disaggregation of Revenue [Line Items]
Revenues	0	0
North America | Operating Segments | NIKE Brand | Footwear
Disaggregation of Revenue [Line Items]
Revenues	2,245	4,800
North America | Operating Segments | NIKE Brand | Apparel
Disaggregation of Revenue [Line Items]
Revenues	1,405	2,812
North America | Operating Segments | NIKE Brand | Equipment
Disaggregation of Revenue [Line Items]
Revenues	132	315
North America | Operating Segments | NIKE Brand | Other(1)
Disaggregation of Revenue [Line Items]
Revenues	0	0
Europe, Middle East & Africa | Operating Segments | NIKE Brand
Disaggregation of Revenue [Line Items]
Revenues	2,313	4,920
Europe, Middle East & Africa | Operating Segments | NIKE Brand | Sales to Wholesale Customers
Disaggregation of Revenue [Line Items]
Revenues	1,617	3,533
Europe, Middle East & Africa | Operating Segments | NIKE Brand | Sales through Direct to Consumer
Disaggregation of Revenue [Line Items]
Revenues	696	1,387
Europe, Middle East & Africa | Operating Segments | NIKE Brand | Other(1)
Disaggregation of Revenue [Line Items]
Revenues	0	0
Europe, Middle East & Africa | Operating Segments | NIKE Brand | Footwear
Disaggregation of Revenue [Line Items]
Revenues	1,419	3,061
Europe, Middle East & Africa | Operating Segments | NIKE Brand | Apparel
Disaggregation of Revenue [Line Items]
Revenues	794	1,624
Europe, Middle East & Africa | Operating Segments | NIKE Brand | Equipment
Disaggregation of Revenue [Line Items]
Revenues	100	235
Europe, Middle East & Africa | Operating Segments | NIKE Brand | Other(1)
Disaggregation of Revenue [Line Items]
Revenues	0	0
Greater China | Operating Segments | NIKE Brand
Disaggregation of Revenue [Line Items]
Revenues	1,544	2,923
Greater China | Operating Segments | NIKE Brand | Sales to Wholesale Customers
Disaggregation of Revenue [Line Items]
Revenues	897	1,768
Greater China | Operating Segments | NIKE Brand | Sales through Direct to Consumer
Disaggregation of Revenue [Line Items]
Revenues	647	1,155
Greater China | Operating Segments | NIKE Brand | Other(1)
Disaggregation of Revenue [Line Items]
Revenues	0	0
Greater China | Operating Segments | NIKE Brand | Footwear
Disaggregation of Revenue [Line Items]
Revenues	1,022	1,980
Greater China | Operating Segments | NIKE Brand | Apparel
Disaggregation of Revenue [Line Items]
Revenues	490	870
Greater China | Operating Segments | NIKE Brand | Equipment
Disaggregation of Revenue [Line Items]
Revenues	32	73
Greater China | Operating Segments | NIKE Brand | Other(1)
Disaggregation of Revenue [Line Items]
Revenues	0	0
Asia Pacific & Latin America | Operating Segments | NIKE Brand
Disaggregation of Revenue [Line Items]
Revenues	1,298	2,568
Asia Pacific & Latin America | Operating Segments | NIKE Brand | Sales to Wholesale Customers
Disaggregation of Revenue [Line Items]
Revenues	937	1,871
Asia Pacific & Latin America | Operating Segments | NIKE Brand | Sales through Direct to Consumer
Disaggregation of Revenue [Line Items]
Revenues	361	697
Asia Pacific & Latin America | Operating Segments | NIKE Brand | Other(1)
Disaggregation of Revenue [Line Items]
Revenues	0	0
Asia Pacific & Latin America | Operating Segments | NIKE Brand | Footwear
Disaggregation of Revenue [Line Items]
Revenues	879	1,760
Asia Pacific & Latin America | Operating Segments | NIKE Brand | Apparel
Disaggregation of Revenue [Line Items]
Revenues	360	692
Asia Pacific & Latin America | Operating Segments | NIKE Brand | Equipment
Disaggregation of Revenue [Line Items]
Revenues	59	116
Asia Pacific & Latin America | Operating Segments | NIKE Brand | Other(1)
Disaggregation of Revenue [Line Items]
Revenues	0	0
Accrued liabilities
Disaggregation of Revenue [Line Items]
Allowance for sales discounts returns and miscellaneous claims	1,107	1,107
Prepaid expenses and other current assets
Disaggregation of Revenue [Line Items]
Reserve for sales returns	$ 384	$ 384
Accounts receivable
Disaggregation of Revenue [Line Items]
Reserve for sales returns, net of estimated cost of inventory for product returns			$ 675