Commitments (Details 2)	Feb. 28, 2015
Schedule of Aircraft Commitments [Line Items]
2015 (remainder)	4
2016	13
2017	12
2018	13
2019	8
Thereafter	12
Total	62fdx_AircraftPurchaseObligation
Boeing 777 Freighter [Member]
Schedule of Aircraft Commitments [Line Items]
2016	2
2018	2
2019	2
Thereafter	12
Total	18
Boeing 767 Freighter [Member]
Schedule of Aircraft Commitments [Line Items]
2015 (remainder)	4
2016	11
2017	12
2018	11
2019	6
Total	44

The total number of aircraft committed to be purchased.

No definition available.

Name:	fdx_AircraftPurchaseObligation
Namespace Prefix:	fdx_
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The number of aircraft committed to be purchased with a delivery date after the fifth fiscal year.

No definition available.

Name:	fdx_AircraftPurchaseObligationWithDeliveryDueAfterFifthFiscalYear
Namespace Prefix:	fdx_
Data Type:	xbrli:integerItemType
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Period Type:	instant

The number of aircraft committed to be purchased with a delivery date in the fifth fiscal year.

No definition available.

Name:	fdx_AircraftPurchaseObligationWithDeliveryDueInFifthFiscalYear
Namespace Prefix:	fdx_
Data Type:	xbrli:integerItemType
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The number of aircraft committed to be purchased with a delivery date in the fourth fiscal year.

No definition available.

Name:	fdx_AircraftPurchaseObligationWithDeliveryDueInFourthFiscalYear
Namespace Prefix:	fdx_
Data Type:	xbrli:integerItemType
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The number of aircraft committed to be purchased with a delivery date in the second fiscal year.

No definition available.

Name:	fdx_AircraftPurchaseObligationWithDeliveryDueInSecondFiscalYear
Namespace Prefix:	fdx_
Data Type:	xbrli:integerItemType
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The number of aircraft committed to be purchased with a delivery date in the third fiscal year.

No definition available.

Name:	fdx_AircraftPurchaseObligationWithDeliveryDueInThirdFiscalYear
Namespace Prefix:	fdx_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

The number of aircraft committed to be purchased with a delivery date within the current fiscal year.

No definition available.

Name:	fdx_AircraftPurchaseObligationWithDeliveryWithinFiscalYear
Namespace Prefix:	fdx_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Name:	fdx_ScheduleOfAircraftCommitmentsLineItems
Namespace Prefix:	fdx_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Name:	fdx_AircraftPurchaseObligationAxis=fdx_Boeing767FreighterMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	fdx_AircraftPurchaseObligationAxis=fdx_Boeing777FreighterMember
Namespace Prefix:
Data Type:	na
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Period Type: