Fair Value Measurements (Tables)

12 Months Ended

Apr. 30, 2016

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, 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
April 30, 2016:
Assets:
Currency derivatives	—		19		—		19
Liabilities:
Currency derivatives	—		10		—		10
Short-term borrowings	—		271		—		271
Long-term debt	—		1,293		—		1,293