XML 61 R35.htm IDEA: XBRL DOCUMENT v3.6.0.2
Financing Arrangements (Details 2)
$ in Millions
6 Months Ended
Nov. 30, 2016
USD ($)
Line Of Credit Facility [Line Items]  
Line Of Credit Facility Maximum Borrowing Capacity $ 1,750
Line of Credit Facility, Expiration Date Nov. 13, 2020
Financial Covenant Terms Ratio 350.00%
Financial Covenant Compliance Ratio 180.00%
Letters Of Credit Outstanding $ 319
Letter of Credit [Member]  
Line Of Credit Facility [Line Items]  
Line Of Credit Facility Maximum Borrowing Capacity 500
LineOfCreditFacilityRemainingBorrowingCapacity $ 181