Derivative Financial Instruments (Tables)

12 Months Ended

Apr. 30, 2011

Derivative Financial Instruments [Abstract]

Fair values of derivative instruments

		Fair value of		Fair value of
		derivatives in a		derivatives in a
	Classification	gain position		loss position
April 30, 2010:
Designated as cash flow hedges:
Currency derivatives	Other current assets	$	7	$	(2	)
Currency derivatives	Other assets		2		(1	)
Currency derivatives	Accrued expenses		1		(6	)
Currency derivatives	Other liabilities		—		(1	)
Designated as net investment hedges:
Currency derivatives	Other current assets		—		(3	)
Not designated as hedges:
Currency derivatives	Other current assets		3		—
April 30, 2011:
Designated as cash flow hedges:
Currency derivatives	Accrued expenses		—		(22	)
Currency derivatives	Other liabilities		—		(6	)
Designated as fair value hedges:
Interest rate swaps	Other current assets		2		—
Interest rate swaps	Other assets		1		—
Not designated as hedges:
Commodity derivatives	Other current assets		5		—
Currency derivatives	Accrued expenses		3		—

Fair values of derivative instruments affecting statements of operations

	Classification	2010			2011
Currency derivatives designated as cash flow hedges:
Net gain (loss) recognized in AOCI	n/a	$	(19	)	$	(27	)
Net gain (loss) reclassified from AOCI into income	Net sales		(16	)		—
Interest rate swaps designated as fair value hedges:
Net gain (loss) recognized in income	Interest expense		—			3
Net gain (loss) recognized in income*	Other income		—			2

*  The effect on the hedged item was an equal but offsetting amount for the periods presented.

Currency derivatives designated as net investment hedges:
Net gain (loss) recognized in AOCI	n/a	(8	)	(1	)
Derivatives not designated as hedging instruments:
Currency derivatives — net gain (loss) recognized in income	Net sales	(8	)	(10	)
Currency derivatives — net gain (loss) recognized in income	Other income	1		(2	)
Commodity derivatives — net gain (loss) recognized in income	Cost of sales	(1	)	10