Fair Value Measurements (Tables)

12 Months Ended

Apr. 30, 2015

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, 2014:
Assets:
Currency derivatives	$	—	$	7	$	—	$	7
Liabilities:
Currency derivatives	—		7		—		7
Short-term borrowings	—		8		—		8
Long-term debt	—		963		—		963
April 30, 2015:
Assets:
Currency derivatives	—		59		—		59
Liabilities:
Currency derivatives	—		18		—		18
Short-term borrowings	—		190		—		190
Current portion of long-term debt	—		253		—		253
Long-term debt	—		735		—		735