Acquisitions And Divestitures (Details) - USD ($) $ in Millions	12 Months Ended
	May 31, 2020	May 31, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Liabilities, held-for-sale	$ 146	$ 0
Discontinued Operations, Held-for-sale | Grupo Axo and SBF | Brazil, Argentina, Chile and Uruguay | NIKE Brand Businesses
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Assets, held-for-sale	506
Inventories, held-for-sale	264
Accounts receivable, held-for-sale	138
Liabilities, held-for-sale	146
Accrued liabilities, held-for-sale	85
Accounts payable, held-for-sale	49
Other Income (Expense) | Discontinued Operations, Held-for-sale | Grupo Axo and SBF | Brazil, Argentina, Chile and Uruguay | NIKE Brand Businesses
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Non-recurring impairment charge	$ 405