Components of Assets and Liabilities Classified as Held for Sale (Detail) (USD $) In Millions, unless otherwise specified	Nov. 30, 2012	May 31, 2012
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Accounts Receivable, net	$ 129	$ 148
Inventories	130	128
Deferred income taxes and other assets	32	35
Property, plant and equipment, net	53	70
Identifiable intangible assets, net	0	234
TOTAL ASSETS	344	615
Accounts Payable	39	42
Accrued liabilities	127	112
Deferred income taxes and other liabilities	32	33
TOTAL LIABILITIES	$ 198	$ 187