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General - Schedule of Intangible Assets with Finite Lives (Details) - TNT Express Intangible [Member] $ in Millions	9 Months Ended
	Feb. 28, 2017 USD ($)
Acquired Finite Lived Intangible Assets [Line Items]
Total intangible assets	$ 505
Customer Relationships [Member]
Acquired Finite Lived Intangible Assets [Line Items]
Intangible assets with finite lives	405
Technology [Member]
Acquired Finite Lived Intangible Assets [Line Items]
Intangible assets with finite lives	20
Trademarks [Member]
Acquired Finite Lived Intangible Assets [Line Items]
Intangible assets with finite lives	$ 80

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Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4845-128472

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Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

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