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Accumulated Other Comprehensive Income - Changes in AOCI (Detail) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Nov. 30, 2014 | Nov. 30, 2013 | Nov. 30, 2014 | Nov. 30, 2013
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Accumulated other comprehensive income balance at the beginning of the period | $ 224 us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax |  | $ 177 us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax |  | $ 85 us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax |  | $ 274 us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax |
Other comprehensive gains (losses) before reclassifications, net of tax | 326 us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax | [1] | (73)us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax | [2] | 452 us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax | [3] | (141)us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax | [4]
Reclassifications to net income of previously deferred (gains) losses, net of tax | (25)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax | [5] | (14)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax | [6] | (12)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax | [7] | (43)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax | [8]
Other comprehensive income (loss) | 301 us-gaap_OtherComprehensiveIncomeLossNetOfTax |  | (87)us-gaap_OtherComprehensiveIncomeLossNetOfTax |  | 440 us-gaap_OtherComprehensiveIncomeLossNetOfTax |  | (184)us-gaap_OtherComprehensiveIncomeLossNetOfTax |
Accumulated other comprehensive income balance at the end of the period | 525 us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax |  | 90 us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax |  | 525 us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax |  | 90 us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax |
Other comprehensive income, before reclassification, tax benefit (expense) | (18)nke_OtherComprehensiveIncomeLossBeforeReclassificationsTax |  | 9 nke_OtherComprehensiveIncomeLossBeforeReclassificationsTax |  | (30)nke_OtherComprehensiveIncomeLossBeforeReclassificationsTax |  | 7 nke_OtherComprehensiveIncomeLossBeforeReclassificationsTax |
Reclassification from accumulated other comprehensive income, tax (benefit) expense | 1 nke_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodTax |  | (5)nke_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodTax |  | 4 nke_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodTax |  | (10)nke_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodTax |
Foreign Currency Translation Adjustment |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Accumulated other comprehensive income balance at the beginning of the period | 11 us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedTranslationAdjustmentMember | [9] | 10 us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedTranslationAdjustmentMember | [9] | 9 us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedTranslationAdjustmentMember | [9] | 41 us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedTranslationAdjustmentMember | [9]
Other comprehensive gains (losses) before reclassifications, net of tax | (34)us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedTranslationAdjustmentMember | [1],[9] | 14 us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedTranslationAdjustmentMember | [2],[9] | (32)us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedTranslationAdjustmentMember | [3],[9] | (17)us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedTranslationAdjustmentMember | [4],[9]
Reclassifications to net income of previously deferred (gains) losses, net of tax | 0 us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedTranslationAdjustmentMember | [5],[9] | 0 us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedTranslationAdjustmentMember | [6],[9] | 0 us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedTranslationAdjustmentMember | [7],[9] | 0 us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedTranslationAdjustmentMember | [8],[9]
Other comprehensive income (loss) | (34)us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedTranslationAdjustmentMember | [9] | 14 us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedTranslationAdjustmentMember | [9] | (32)us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedTranslationAdjustmentMember | [9] | (17)us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedTranslationAdjustmentMember | [9]
Accumulated other comprehensive income balance at the end of the period | (23)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedTranslationAdjustmentMember | [9] | 24 us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedTranslationAdjustmentMember | [9] | (23)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedTranslationAdjustmentMember | [9] | 24 us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedTranslationAdjustmentMember | [9]
Other comprehensive income, before reclassification, tax benefit (expense) | 11 nke_OtherComprehensiveIncomeLossBeforeReclassificationsTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedTranslationAdjustmentMember |  | 0 nke_OtherComprehensiveIncomeLossBeforeReclassificationsTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedTranslationAdjustmentMember |  | 0 nke_OtherComprehensiveIncomeLossBeforeReclassificationsTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedTranslationAdjustmentMember |  | 0 nke_OtherComprehensiveIncomeLossBeforeReclassificationsTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedTranslationAdjustmentMember |
Reclassification from accumulated other comprehensive income, tax (benefit) expense | 0 nke_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedTranslationAdjustmentMember |  | 0 nke_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedTranslationAdjustmentMember |  | 0 nke_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedTranslationAdjustmentMember |  | 0 nke_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedTranslationAdjustmentMember |
Cash Flow Hedges |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Accumulated other comprehensive income balance at the beginning of the period | 167 us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |  | 128 us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |  | 32 us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |  | 193 us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
Other comprehensive gains (losses) before reclassifications, net of tax | 351 us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember | [1] | (85)us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember | [2] | 470 us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember | [3] | (120)us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember | [4]
Reclassifications to net income of previously deferred (gains) losses, net of tax | (18)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember | [5] | (15)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember | [6] | (2)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember | [7] | (45)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember | [8]
Other comprehensive income (loss) | 333 us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |  | (100)us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |  | 468 us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |  | (165)us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
Accumulated other comprehensive income balance at the end of the period | 500 us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |  | 28 us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |  | 500 us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |  | 28 us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
Other comprehensive income, before reclassification, tax benefit (expense) | (28)nke_OtherComprehensiveIncomeLossBeforeReclassificationsTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |  | 9 nke_OtherComprehensiveIncomeLossBeforeReclassificationsTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |  | (27)nke_OtherComprehensiveIncomeLossBeforeReclassificationsTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |  | 7 nke_OtherComprehensiveIncomeLossBeforeReclassificationsTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
Reclassification from accumulated other comprehensive income, tax (benefit) expense | 3 nke_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |  | (5)nke_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |  | 7 nke_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |  | (10)nke_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
Net Investment Hedges |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Accumulated other comprehensive income balance at the beginning of the period | 95 us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember | [9] | 95 us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember | [9] | 95 us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember | [9] | 95 us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember | [9]
Other comprehensive gains (losses) before reclassifications, net of tax | 0 us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember | [1],[9] | 0 us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember | [3],[9] | 0 us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember | [3],[9] | 0 us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember | [4],[9]
Reclassifications to net income of previously deferred (gains) losses, net of tax | 0 us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember | [5],[9] | 0 us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember | [6],[9] | 0 us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember | [7],[9] | 0 us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember | [8],[9]
Other comprehensive income (loss) | 0 us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember | [9] | 0 us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember | [9] | 0 us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember | [9] | 0 us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember | [9]
Accumulated other comprehensive income balance at the end of the period | 95 us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember | [9] | 95 us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember | [9] | 95 us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember | [9] | 95 us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember | [9]
Other comprehensive income, before reclassification, tax benefit (expense) | 0 nke_OtherComprehensiveIncomeLossBeforeReclassificationsTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember |  | 0 nke_OtherComprehensiveIncomeLossBeforeReclassificationsTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember |  | 0 nke_OtherComprehensiveIncomeLossBeforeReclassificationsTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember |  | 0 nke_OtherComprehensiveIncomeLossBeforeReclassificationsTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember |
Reclassification from accumulated other comprehensive income, tax (benefit) expense | 0 nke_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember |  | 0 nke_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember |  | 0 nke_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember |  | 0 nke_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember |
Other |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Accumulated other comprehensive income balance at the beginning of the period | (49)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = nke_AccumulatedOtherAdjustmentsMember |  | (56)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = nke_AccumulatedOtherAdjustmentsMember |  | (51)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = nke_AccumulatedOtherAdjustmentsMember |  | (55)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = nke_AccumulatedOtherAdjustmentsMember |
Other comprehensive gains (losses) before reclassifications, net of tax | 9 us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax / us-gaap_StatementEquityComponentsAxis = nke_AccumulatedOtherAdjustmentsMember | [1] | (2)us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax / us-gaap_StatementEquityComponentsAxis = nke_AccumulatedOtherAdjustmentsMember | [2] | 14 us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax / us-gaap_StatementEquityComponentsAxis = nke_AccumulatedOtherAdjustmentsMember | [3] | (4)us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax / us-gaap_StatementEquityComponentsAxis = nke_AccumulatedOtherAdjustmentsMember | [4]
Reclassifications to net income of previously deferred (gains) losses, net of tax | (7)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = nke_AccumulatedOtherAdjustmentsMember | [5] | 1 us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = nke_AccumulatedOtherAdjustmentsMember | [6] | (10)us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = nke_AccumulatedOtherAdjustmentsMember | [7] | 2 us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax / us-gaap_StatementEquityComponentsAxis = nke_AccumulatedOtherAdjustmentsMember | [8]
Other comprehensive income (loss) | 2 us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = nke_AccumulatedOtherAdjustmentsMember |  | (1)us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = nke_AccumulatedOtherAdjustmentsMember |  | 4 us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = nke_AccumulatedOtherAdjustmentsMember |  | (2)us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = nke_AccumulatedOtherAdjustmentsMember |
Accumulated other comprehensive income balance at the end of the period | (47)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = nke_AccumulatedOtherAdjustmentsMember |  | (57)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = nke_AccumulatedOtherAdjustmentsMember |  | (47)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = nke_AccumulatedOtherAdjustmentsMember |  | (57)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = nke_AccumulatedOtherAdjustmentsMember |
Other comprehensive income, before reclassification, tax benefit (expense) | (1)nke_OtherComprehensiveIncomeLossBeforeReclassificationsTax / us-gaap_StatementEquityComponentsAxis = nke_AccumulatedOtherAdjustmentsMember |  | 0 nke_OtherComprehensiveIncomeLossBeforeReclassificationsTax / us-gaap_StatementEquityComponentsAxis = nke_AccumulatedOtherAdjustmentsMember |  | (3)nke_OtherComprehensiveIncomeLossBeforeReclassificationsTax / us-gaap_StatementEquityComponentsAxis = nke_AccumulatedOtherAdjustmentsMember |  | 0 nke_OtherComprehensiveIncomeLossBeforeReclassificationsTax / us-gaap_StatementEquityComponentsAxis = nke_AccumulatedOtherAdjustmentsMember |
Reclassification from accumulated other comprehensive income, tax (benefit) expense | $ (2)nke_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodTax / us-gaap_StatementEquityComponentsAxis = nke_AccumulatedOtherAdjustmentsMember |  | $ 0 nke_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodTax / us-gaap_StatementEquityComponentsAxis = nke_AccumulatedOtherAdjustmentsMember |  | $ (3)nke_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodTax / us-gaap_StatementEquityComponentsAxis = nke_AccumulatedOtherAdjustmentsMember |  | $ 0 nke_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodTax / us-gaap_StatementEquityComponentsAxis = nke_AccumulatedOtherAdjustmentsMember |
[1] | Net of tax benefit (expense) of $11 million, $(28) million, $0 million, $(1) million and $(18) million, respectively.
[2] | Net of tax benefit (expense) of $0 million, $9 million, $0 million, $0 million and $9 million, respectively.
[3] | Net of tax benefit (expense) of $0 million, $(27) million, $0 million, $(3) million and $(30) million, respectively.
[4] | Net of tax benefit (expense) of $0 million, $7 million, $0 million, $0 million and $7 million, respectively.
[5] | Net of tax (benefit) expense of $0 million, $(3) million, $0 million, $2 million and $(1) million, respectively.
[6] | Net of tax (benefit) expense of $0 million, $5 million, $0 million, $0 million and $5 million, respectively.
[7] | Net of tax (benefit) expense of $0 million, $(7) million, $0 million, $3 million and $(4) million, respectively.
[8] | Net of tax (benefit) expense of $0 million, $10 million, $0 million, $0 million and $10 million, respectively.
[9] | The accumulated foreign currency translation adjustment and net investment hedge gains/losses related to an investment in a foreign subsidiary are reclassified to Net income upon sale or upon complete or substantially complete liquidation of the respective entity.

X
- Definition Other Comprehensive Income (Loss), Before Reclassifications, Tax + References No definition available. + Details
Name: | nke_OtherComprehensiveIncomeLossBeforeReclassificationsTax
Namespace Prefix: | nke_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Reclassification From Accumulated Other Comprehensive Income, Current Period, Tax + References No definition available. + Details
Name: | nke_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodTax
Namespace Prefix: | nke_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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