Fair Value of Financial Instruments (Tables)

3 Months Ended

Jul. 31, 2013

Fair Value of Financial Instruments [Abstract]

Comparison of the fair values and carrying amounts of financial instrument

The fair value of cash, cash equivalents, and short-term borrowings approximate the carrying amounts due to the short maturities of these instruments.  We determine the fair value of derivative financial instruments and long-term debt as discussed in Note 7. 

Below is a comparison of the fair values and carrying amounts of these instruments:

	April 30, 2013				July 31, 2013
	Carrying		Fair		Carrying		Fair
(Dollars in millions)	Amount		Value		Amount		Value
Assets:
Cash and cash equivalents	$	204	$	204	$	217	$	217
Currency derivatives	5		5		17		17
Liabilities:
Currency derivatives	4		4		—		—
Short-term borrowings	3		3		5		5
Current portion of long-term debt	2		2		1		1
Long-term debt	997		1,011		997		950