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Risk Management and Derivatives - Additional Information (Detail) (USD $) | 6 Months Ended
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Nov. 30, 2014
Derivative Instruments and Hedging Activities Disclosure [Line Items] |
Total notional amount of outstanding derivatives | $ 14,800,000,000 invest_DerivativeNotionalAmount
Maximum term over which the Company is hedging exposures to the variability of cash flows for its forecasted and recorded transactions (in months) | 24 months
Percentage of anticipated exposures hedged (percent) | 100.00%nke_PercentOfAnticipatedExposuresHedged
Deferred net gains (net of tax) on both outstanding and matured derivatives accumulated in other comprehensive income are expected to be reclassified to net income during the next twelve months as a result of underlying hedged transactions also being recorded in net income | 325,000,000 us-gaap_ForeignCurrencyCashFlowHedgeGainLossToBeReclassifiedDuringNext12Months
Aggregate fair value of derivative instruments in net liability position | 0 us-gaap_DerivativeNetLiabilityPositionAggregateFairValue
Embedded derivatives |
Derivative Instruments and Hedging Activities Disclosure [Line Items] |
Total notional amount of outstanding derivatives | 167,000,000 invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_EmbeddedDerivativeFinancialInstrumentsMember
Minimum |
Derivative Instruments and Hedging Activities Disclosure [Line Items] |
Typical time period that anticipated exposures are hedged against (in months) | 12 months
Minimum fair value of outstanding derivative above which the credit related contingent features require the derivative party to post collateral | $ 50,000,000 nke_CreditRiskRelatedContingentFeaturesCollateralThreshold / us-gaap_RangeAxis = us-gaap_MinimumMember
Maximum |
Derivative Instruments and Hedging Activities Disclosure [Line Items] |
Typical time period that anticipated exposures are hedged against (in months) | 24 months

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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Balance Type: | na
Period Type: | instant

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- Definition This element represents the typical future period that foreign currency cash flow exposures are hedged against. + References No definition available. + Details
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- Definition Credit Risk Related Contingent Features, Collateral Threshold + References No definition available. + Details
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Balance Type: | credit
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- Details
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Balance Type: | na
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- Definition This element represents the maximum percentage of anticipated foreign currency cash flow exposures that are hedged. + References No definition available. + Details
Name: | nke_PercentOfAnticipatedExposuresHedged
Namespace Prefix: | nke_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition The aggregate fair value amounts of derivative instruments that contain credit-risk-related contingent features that are in a net liability position at the end of the reporting period. For nonderivative instruments that are designated and qualify as hedging instruments, the fair value amounts are the carrying value of the nonderivative hedging instrument, including the adjustment for the foreign currency transaction gain (loss) on that instrument. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4H -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624258-113959 + Details
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Balance Type: | credit
Period Type: | instant

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- Definition The estimated net amount of unrealized gains or losses on foreign currency cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=7668309&loc=d3e80748-113994 + Details
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Namespace Prefix: | us-gaap_
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Period Type: | instant

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- Definition Maximum amount of time remaining before foreign currency exchange rate derivatives mature or expire, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Details
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- Details
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- Details
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