Short-Term Borrowings and Credit Lines - Notes Payable to Banks and Interest Bearing Accounts Payable to Sojitz Corporation of America (Detail) - USD ($) $ in Millions	May 31, 2016	May 31, 2015
Notes payable:
TOTAL NOTES PAYABLE	$ 1	$ 74
Sojitz America
Interest-bearing accounts payable:
Sojitz America	$ 39	$ 78
Sojitz America - interest rate	1.27%	0.98%
Notes Payable
Notes payable:
TOTAL NOTES PAYABLE	$ 1	$ 74
Notes Payable | UNITED STATES
Notes payable:
TOTAL NOTES PAYABLE	$ 0	$ 0
Notes payable - interest rate	0.00%	0.00%
Notes Payable | Non-U.S. operations
Notes payable:
TOTAL NOTES PAYABLE	$ 1	$ 74
Notes payable - interest rate	13.00%	12.39%