Contingencies - Additional Information (Details) - Pending Litigation [Member] $ in Millions	9 Months Ended
Feb. 28, 2017 USD ($)
Multidistrict Independent Contractor Litigation [Member] \| Expected Litigation Loss Net of Insurance Claims [Member]
Loss Contingencies [Line Items]
Litigation Settlement Amount	$ 204
California Case [Member] \| Expected Litigation Loss [Member]
Loss Contingencies [Line Items]
Litigation Settlement Amount	$ 228

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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