Commitments (Details 2)	May 31, 2011
Schedule of Aircraft Commitments [Line Items]
2012	23
2013	10
2014	7
2015	3
2016	3
Thereafter	7
Total	53
Boeing 777 Freighter [Member]
Schedule of Aircraft Commitments [Line Items]
2012	7
2013	6
2014	7
2015	3
2016	3
Thereafter	7
Total	33
Boeing 757 [Member]
Schedule of Aircraft Commitments [Line Items]
2012	16
2013	4
Total	20

The total number of aircraft committed to be purchased.

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

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

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

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

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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.

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

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Namespace Prefix:	fdx
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

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