Schedule II - Valuation and Qualifying Accounts

12 Months Ended

Apr. 30, 2016

Valuation and Qualifying Accounts [Abstract]

SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS

SCHEDULE II – VALUATION AND QUALIFYING ACCOUNTS

For the Years Ended April 30, 2014, 2015, and 2016

(Expressed in millions)

Col. A	Col. B		Col. C(1)		Col. C(2)		Col. D			Col. E
Description	Balance at Beginning of Period		Additions Charged to Costs and Expenses		Additions Charged to Other Accounts		Deductions			Balance at End of Period
2014
Allowance for Doubtful Accounts	$	9	$	—	$	—	$	—		$	9
2015
Allowance for Doubtful Accounts	$	9	$	2	$	—	$	1	(1)	$	10
2016
Allowance for Doubtful Accounts	$	10	$	1	$	—	$	2	(1)	$	9

⁽¹⁾  Doubtful accounts written off, net of recoveries.