Amounts Affecting the Consolidated Statements of Income (Detail) (USD $) In Millions	3 Months Ended
	Aug. 31, 2011		Aug. 31, 2010
Foreign exchange forwards and options | Derivatives designated as cash flow hedges | Revenue
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in other comprehensive income on derivatives	$ 21	[1]	$ (29)	[1]
Amount of gain (loss) reclassified from accumulated other comprehensive income into income	7	[1]	(13)	[1]
Foreign exchange forwards and options | Derivatives designated as cash flow hedges | Cost of Goods, Total
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in other comprehensive income on derivatives	(43)	[1]	(50)	[1]
Amount of gain (loss) reclassified from accumulated other comprehensive income into income	(39)	[1]	52	[1]
Foreign exchange forwards and options | Derivatives designated as cash flow hedges | Selling and administrative expense
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in other comprehensive income on derivatives	(2)	[1]	2	[1]
Amount of gain (loss) reclassified from accumulated other comprehensive income into income	(1)	[1]	0	[1]
Foreign exchange forwards and options | Derivatives designated as cash flow hedges | Other expense, net
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in other comprehensive income on derivatives	(14)	[1]	(23)	[1]
Amount of gain (loss) reclassified from accumulated other comprehensive income into income	(11)	[1]	20	[1]
Derivatives designated as cash flow hedges
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in other comprehensive income on derivatives	(38)	[1]	(100)	[1]
Amount of gain (loss) reclassified from accumulated other comprehensive income into income	(44)	[1]	59	[1]
Foreign exchange forwards and options | Derivatives designated as net investment hedges | Other expense, net
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in other comprehensive income on derivatives	(9)	[1]	(20)	[1]
Amount of gain (loss) reclassified from accumulated other comprehensive income into income	0	[1]	0	[1]
Interest rate swap contracts | Derivatives designated as fair value hedges | Interest income, net
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in income on derivatives	2	[2]	2	[2]
Foreign exchange forwards and options | Derivatives not designated as hedging instruments | Other expense, net
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in income on derivatives	$ (23)		$ (11)

[1] For the three month periods ended August 31, 2011 and 2010, the Company had an immaterial amount of ineffectiveness from cash flow hedges.

[2] All interest rate swap agreements meet the shortcut method requirements under the accounting standards for derivatives and hedging. Accordingly, changes in the fair values of the interest rate swap agreements are exactly offset by changes in the fair value of the underlying long-term debt. Refer to section "Fair Value Hedges" for additional detail.