Parent/Affiliate Transactions (Details) (USD $) In Billions, unless otherwise specified	Aug. 31, 2013	May 31, 2013
Parent/Affiliate Transactions [Abstract]
Net Receivables Recorded by FedEx TechConnect	$ 1.5	$ 1.6

The total balance of receivables factored to FedEx TechConnect at the balance sheet date, for which no further involvement is maintained by the reporting entity.

No definition available.

Name:	fec_ReceivablesRecordedByAffiliate
Namespace Prefix:	fec_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant