Operating Segments and Related Information - Information by Operating Segments (Detail) - USD ($) $ in Millions	12 Months Ended
	May 31, 2021	May 31, 2020	May 31, 2019
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	$ 44,538	$ 37,403	$ 39,117
Interest expense (income), net	262	89	49
Income before income taxes	6,661	2,887	4,801
ADDITIONS TO PROPERTY, PLANT AND EQUIPMENT	791	1,124	1,075
Depreciation	744	721	705
Global Brand Divisions
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	25	30	42
Corporate
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	40	(11)	(7)
EARNINGS BEFORE INTEREST AND TAXES	(2,261)	(1,967)	(1,810)
ADDITIONS TO PROPERTY, PLANT AND EQUIPMENT	107	356	333
Depreciation	141	112	116
NIKE Brand | Operating Segments
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	42,293	35,568	37,218
Converse | Operating Segments
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	2,205	1,846	1,906
NIKE Brand | Global Brand Divisions
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	25	30	42
EARNINGS BEFORE INTEREST AND TAXES	(3,656)	(3,468)	(3,262)
ADDITIONS TO PROPERTY, PLANT AND EQUIPMENT	278	438	278
Depreciation	222	214	195
NIKE Brand | NIKE Brand | Operating Segments
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	42,293	35,568	37,218
ADDITIONS TO PROPERTY, PLANT AND EQUIPMENT	677	756	724
Depreciation	577	584	558
Converse | Converse | Operating Segments
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	2,205	1,846	1,906
EARNINGS BEFORE INTEREST AND TAXES	543	297	303
ADDITIONS TO PROPERTY, PLANT AND EQUIPMENT	7	12	18
Depreciation	26	25	31
North America | NIKE Brand | Operating Segments
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	17,179	14,484	15,902
North America | NIKE Brand | NIKE Brand | Operating Segments
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	17,179	14,484	15,902
EARNINGS BEFORE INTEREST AND TAXES	5,089	2,899	3,925
ADDITIONS TO PROPERTY, PLANT AND EQUIPMENT	98	110	117
Depreciation	130	148	149
Europe, Middle East & Africa | NIKE Brand | Operating Segments
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	11,456	9,347	9,812
Europe, Middle East & Africa | NIKE Brand | NIKE Brand | Operating Segments
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	11,456	9,347	9,812
EARNINGS BEFORE INTEREST AND TAXES	2,435	1,541	1,995
ADDITIONS TO PROPERTY, PLANT AND EQUIPMENT	153	139	233
Depreciation	136	132	111
Greater China | NIKE Brand | Operating Segments
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	8,290	6,679	6,208
Greater China | NIKE Brand | NIKE Brand | Operating Segments
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	8,290	6,679	6,208
EARNINGS BEFORE INTEREST AND TAXES	3,243	2,490	2,376
ADDITIONS TO PROPERTY, PLANT AND EQUIPMENT	94	28	49
Depreciation	46	44	50
Asia Pacific & Latin America | NIKE Brand | Operating Segments
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	5,343	5,028	5,254
Asia Pacific & Latin America | NIKE Brand | NIKE Brand | Operating Segments
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	5,343	5,028	5,254
EARNINGS BEFORE INTEREST AND TAXES	1,530	1,184	1,323
ADDITIONS TO PROPERTY, PLANT AND EQUIPMENT	54	41	47
Depreciation	$ 43	$ 46	$ 53