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, 2018	May 31, 2017
Notes payable:
TOTAL NOTES PAYABLE	$ 336	$ 325
Sojitz America
Interest-bearing accounts payable:
Sojitz America	$ 61	$ 51
Sojitz America - interest rate	2.82%	1.78%
Commercial paper
Notes payable:
TOTAL NOTES PAYABLE	$ 325	$ 325
Notes payable - interest rate	1.77%	0.86%
Notes Payable
Notes payable:
TOTAL NOTES PAYABLE	$ 336	$ 325
Notes Payable | UNITED STATES
Notes payable:
TOTAL NOTES PAYABLE	$ 1	$ 0
Notes payable - interest rate	0.00%	0.00%
Notes Payable | Non-U.S. operations
Notes payable:
TOTAL NOTES PAYABLE	$ 10	$ 0
Notes payable - interest rate	18.11%	0.00%