COMMITMENTS AND CONTINGENCIES (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
May 31, 2012	May 31, 2011	May 31, 2010
Guarantees [Abstract]
Financial impact of guarantees	Such agreements have not had a material effect on our results of operations, financial position or cash flows.
Lease Commitments [Abstract]
FY 2013	$ 406
FY 2014	307
FY 2015	227
FY 2016	172
FY 2017	129
Thereafter	294
Future minimum operating lease payments	1,535
Less: minimum payments to be received from non-cancelable subleases	(125)
Total future minimum operating leases payments, net	1,410
Facility obligations net of estimated sub-lease income and other costs, in accrued restructuring	249
Rent expense, net of sublease income	329	406	318
Sublease income	89	85	73
Unconditional Obligations [Abstract]
FY 2013	523
FY 2014	49
FY 2015	4
FY 2016	3
Total	579
Notes payable and other borrowings outstanding	$ 16,474	$ 15,922

No authoritative reference available.

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Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

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The total of future contractually required payments on leases defined as operating.

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Contractually required future rental payments receivable on noncancelable subleasing arrangements.

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Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.

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The remaining amount of the fixed and determinable portion of an unrecorded unconditional purchase obligation to be paid within one year of the balance sheet date.

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