Fair Value Measurements (Tables)

12 Months Ended

Apr. 30, 2013

Fair Value Disclosures [Abstract]

Summary of assets and liabilities measured at fair value on a recurring basis

The following table summarizes the assets and liabilities measured at fair value on a recurring basis:

	Level 1		Level 2		Level 3		Total
April 30, 2012:
Assets:
Currency derivatives	$	—	$	1	$	—	$	1
Interest rate swaps	—		2		—		2
Liabilities:
Commodity derivatives	1		—		—		1
Currency derivatives	—		7		—		7
Short-term borrowings	—		4		—		4
Current portion of long-term debt	—		3		—		3
Long-term debt	—		534		—		534
April 30, 2013:
Assets:
Currency derivatives	—		5		—		5
Liabilities:
Currency derivatives	—		4		—		4
Short-term borrowings	—		3		—		3
Current portion of long-term debt	—		2		—		2
Long-term debt	—		1,011		—		1,011